Ally(TM) ip100(TM) v3.0 and IP1000(TM) v3.0 secure networks from information gathering, vulnerability exploitation, and zero-day worm attacks. Powered from USB port of PC or laptop, Ally ip100 protects SMB networks as well as enterprise wireless access points and branch or remote offices. Ally IP1000 is 1Gb, in-line, high-availability security appliance that protects larger networks, offering security for out-of-band remote management for users requiring full management access.
First Significant Product Enhancements Deliver New Features and Benefits to Better Protect Networks, Wireless Access Points and Remote Offices
HUNTSVILLE, Ala., May 3, 2006 - Arxceo(TM) Corporation, a provider of anti-reconnaissance and anomaly-based, attack-prevention technology, today announced the first significant product enhancements to its Ally(TM) family of security appliances designed to secure networks from information gathering, vulnerability exploitation, zero-day worm attacks and other malicious network traffic. Version 3.0 of the Ally ip100(TM) and Ally IP1000(TM) delivers greater ease-of-use, increased reporting capabilities, improved firmware upgrade processes and better granularity for blacklist management.
"The new version of our Ally products reflect our customers' need to protect their networks and access points with security appliances that deliver optimal performance and ease-of-use," said Don Davidson, CEO, Arxceo. "We are also pleased to announce that we are now offering the Ally IP1000 at a reduced price of $6,495.00. This price reduction is a direct result of the cost savings we have realized on this hardware platform. We believe that by passing along this cost savings, we will also encourage SMBs that can benefit from increased throughput to adopt this product.
Monday, August 28, 2006
Tuesday, August 22, 2006
Spy vs. spy: companies are spending billions on network security, but staying ahead of hackers may be a pipe dream - techwatch
ANY WAY YOU LOOK AT IT, 2003 was a real bad year for network security. Although corporate concern over cyber threats jumped dramatically, so too did the number of cyber attacks against companies and their machines. Indeed, security specialist MessageLabs reports that spam accounted for 50 percent of all business E-mail traffic in the United States in May, the first time that junk E-mail outstripped the number of legitimate electronic messages sent to corporations. And if much spam is relatively harmless, some is decidedly not. Digital pathogens such as SoBig, Mimail, and Yaha, which can infect employee computers and servers alike, all spread via E-mail. MessageLabs reckons that two-thirds of all spam is now being sent by open proxies--created in part by computers and other gadgets infected by viruses.
Thursday, August 10, 2006
Serial Device Routers offer industrial networking security
Magnum DX 800 and DX 40 Serial-IP Converters extend security and network management to distributed serial devices in power substations and other harsh industrial environments. Magnum DX800 provides Dynamic Serial Edge that combines features of serial-IP device server, Ethernet switch, IP router, and IP firewall. It supports 4 serial interfaces and 4 Ethernet ports, including 2 fiber ports. Magnum DX40 provides 2 serial ports and 2 Ethernet ports, one or both of which may be fiber.
Magnum DX 800 and DX 40 Integrate IP/Ethernet Technologies With Existing Industrial Devices
FREMONT, Calif., Oct. 31 -- GarrettCom, Inc., is introducing a groundbreaking line of Serial-IP converters that extend security and resiliency and network management to distributed serial devices in power substations and other harsh industrial environments. The Magnum DX line of Serial Device routers provides intelligent Serial-to-IP/Ethernet protocol services that integrate the large installed base of devices that use Serial data protocols for SCADA (Supervisory Control and Data Acquisition) and remote device console access.
The Magnum DX Serial Device Routers provide what the company calls a Dynamic Serial Edge for hardened industrial networks that combines the features of a serial-IP device server, Ethernet switch, IP router and IP firewall in a compact, substation-hardened product with a variety of field mounting and power supply options. The Magnum DX800 Serial Device Router supports four serial interfaces and four Ethernet ports, including two fiber ports. The Magnum DX40 Serial Device Router provides two serial ports and two Ethernet ports, one or both of which may be fiber.
Magnum DX 800 and DX 40 Integrate IP/Ethernet Technologies With Existing Industrial Devices
FREMONT, Calif., Oct. 31 -- GarrettCom, Inc., is introducing a groundbreaking line of Serial-IP converters that extend security and resiliency and network management to distributed serial devices in power substations and other harsh industrial environments. The Magnum DX line of Serial Device routers provides intelligent Serial-to-IP/Ethernet protocol services that integrate the large installed base of devices that use Serial data protocols for SCADA (Supervisory Control and Data Acquisition) and remote device console access.
The Magnum DX Serial Device Routers provide what the company calls a Dynamic Serial Edge for hardened industrial networks that combines the features of a serial-IP device server, Ethernet switch, IP router and IP firewall in a compact, substation-hardened product with a variety of field mounting and power supply options. The Magnum DX800 Serial Device Router supports four serial interfaces and four Ethernet ports, including two fiber ports. The Magnum DX40 Serial Device Router provides two serial ports and two Ethernet ports, one or both of which may be fiber.
Tuesday, August 08, 2006
Fortinet enhances FortiGate network security platform
Unified Threat Management provider Fortinet has announced five new network security systems - FortiGate-100A, FortiGate-200A and FortiGate-300A systems, designed for SMBs, and the FortiGate-400A and FortiGate-500A systems for mid-sized enterprises.
According to the company, the A-series systems, which expand Fortinet's FortiGate Antivirus Firewall platform, feature high performance, additional interfaces, FortiASIC for gigabit speed network content processing and FortiOS 2.8 firmware, as well as support for high-availability clustering technology.
The new systems are currently available for order and will ship in mid-November. No pricing details have been disclosed.
According to the company, the A-series systems, which expand Fortinet's FortiGate Antivirus Firewall platform, feature high performance, additional interfaces, FortiASIC for gigabit speed network content processing and FortiOS 2.8 firmware, as well as support for high-availability clustering technology.
The new systems are currently available for order and will ship in mid-November. No pricing details have been disclosed.
Thursday, August 03, 2006
The hidden security hole; how to protect the network - Guest Column - Column
The defense mechanism of choice against virus and hacker attacks is the firewall. It protects the front door of the network, much like humans throwing furniture in front of the doors on the main floor to keep out the zombies in all those horror films. Yet, just as in those films, there is a back door no one even bothers to lock. It is the domain name service, or DNS, one of the foundation blocks of network infrastructure, websites, IP-based applications and e-mail.
DNS sits outside the firewall, quietly acting as the Internet's phone book. It takes text addresses like www.redcross.org and converts them into digital IP addresses, such as "207.168.0.50," allowing one computing device to find another and interact over the network.
Most organizations use the Berkley Internet name domain (BIND) convention to run their DNS. BIND is an open source server code, which has to be configured by each organization or ISP in order for information to pass from one device to another. This lack of central control creates an inherent weakness that hackers find easy to exploit, because there is no quick, universal fix.
When the SANS Institute and the FBI come out with their yearly list of top security risks, BIND is invariably on it. This list becomes a virtual menu for hackers who want to cause problems. Imagine if the local police published a list in the newspaper of all the ways to break into a house. Could a homeowner fix all the problems before the thieves started breaking in?
In the case of BIND, it is open season, because every organization has to create its own solution based on its specific implementation. By the time many enterprises receive and read the CERT Alerts from the CERT Coordination Center at Carnegie Mellon University, figure out which version they have and what they need to upgrade, and then free up the resources to create the solution, their data is well on its way to a server somewhere in China. Or their multimillion-dollar network is producing "404 File Not Found" messages in huge volume.
This, incidentally, is the benefit of the server appliance model. The code is developed by the manufacturer and incorporated as part of a complete software/hardware/OS product, rather than being developed individually at the user level. This is important because DNS is such a background system that most organizations do not notice it until something goes wrong.
CERT estimates that 80% to 90% of companies are using BIND versions that leave them open to serious security breaches. So, what can be done to protect a network? There are several steps that can be taken today.
Admit vulnerablility. Ignorance is probably the single greatest enemy. Remember those zombies--guard the back door, as well as the front one.
Keep up with upgrades. Letting upgrades slide in the crush of other tasks is easy--but risky. Keep BIND software up to date, especially all security patches.
Monitor CERT alerts, then take action. Remember the menu for hackers? They are licking their chops waiting to be told where anyone is vulnerable. Servers that host multiple services, in addition to DNS, are particularly vulnerable. Beat them to the punch by checking frequently for new discoveries, and then implementing the solution immediately.
Shut the door on open ports. Because external DNS servers reside outside the firewall, they are often the first point of attack for hackers conducting a port scan to look for those that are open. Either close all ports on the current server, or buy dedicated solutions that eliminate extraneous ports.
Explore other solutions. The cost of purchasing a complete system, rather than "rolling your own" BIND application, is often a wash. Yet, they are often more secure and reliable. Server appliances that have prewritten software and updates developed by their manufacturers take the burden off internal staff, and are often automatically pushed out as they become available. Other alternatives exist, as well.
DNS sits outside the firewall, quietly acting as the Internet's phone book. It takes text addresses like www.redcross.org and converts them into digital IP addresses, such as "207.168.0.50," allowing one computing device to find another and interact over the network.
Most organizations use the Berkley Internet name domain (BIND) convention to run their DNS. BIND is an open source server code, which has to be configured by each organization or ISP in order for information to pass from one device to another. This lack of central control creates an inherent weakness that hackers find easy to exploit, because there is no quick, universal fix.
When the SANS Institute and the FBI come out with their yearly list of top security risks, BIND is invariably on it. This list becomes a virtual menu for hackers who want to cause problems. Imagine if the local police published a list in the newspaper of all the ways to break into a house. Could a homeowner fix all the problems before the thieves started breaking in?
In the case of BIND, it is open season, because every organization has to create its own solution based on its specific implementation. By the time many enterprises receive and read the CERT Alerts from the CERT Coordination Center at Carnegie Mellon University, figure out which version they have and what they need to upgrade, and then free up the resources to create the solution, their data is well on its way to a server somewhere in China. Or their multimillion-dollar network is producing "404 File Not Found" messages in huge volume.
This, incidentally, is the benefit of the server appliance model. The code is developed by the manufacturer and incorporated as part of a complete software/hardware/OS product, rather than being developed individually at the user level. This is important because DNS is such a background system that most organizations do not notice it until something goes wrong.
CERT estimates that 80% to 90% of companies are using BIND versions that leave them open to serious security breaches. So, what can be done to protect a network? There are several steps that can be taken today.
Admit vulnerablility. Ignorance is probably the single greatest enemy. Remember those zombies--guard the back door, as well as the front one.
Keep up with upgrades. Letting upgrades slide in the crush of other tasks is easy--but risky. Keep BIND software up to date, especially all security patches.
Monitor CERT alerts, then take action. Remember the menu for hackers? They are licking their chops waiting to be told where anyone is vulnerable. Servers that host multiple services, in addition to DNS, are particularly vulnerable. Beat them to the punch by checking frequently for new discoveries, and then implementing the solution immediately.
Shut the door on open ports. Because external DNS servers reside outside the firewall, they are often the first point of attack for hackers conducting a port scan to look for those that are open. Either close all ports on the current server, or buy dedicated solutions that eliminate extraneous ports.
Explore other solutions. The cost of purchasing a complete system, rather than "rolling your own" BIND application, is often a wash. Yet, they are often more secure and reliable. Server appliances that have prewritten software and updates developed by their manufacturers take the burden off internal staff, and are often automatically pushed out as they become available. Other alternatives exist, as well.
Saturday, July 29, 2006
The network security challenge: three industry experts sound off about inherent dangers and how service providers can overcome them
In the period immediately following the catastrophic terrorist attacks of 2001, many thoughtful persons within the telecommunications industry felt that something approaching a thorough security audit of all public networks was desperately needed. Perceiving those terrorist acts of three years ago as the opening salvo in a total war against the United States, some industry executives assumed that national infrastructure--especially the telecommunications system--represented a key target of opportunity whose vulnerabilities likely would be exploited sooner or later, presumably on a grand scale.
Three years later, it is still too early to conclude that such fears are groundless. The anticipated ideologically motivated sabotage hasn't occurred. Even so, technological advancements have presented new security challenges to enterprise and public networks.
Public networks today are hardly safe and secure avenues of communication. If orchestrated attacks by terrorist organizations have yet to take place, individual exploits by hackers and authors of malicious code have become much more commonplace.
Three years later, it is still too early to conclude that such fears are groundless. The anticipated ideologically motivated sabotage hasn't occurred. Even so, technological advancements have presented new security challenges to enterprise and public networks.
Public networks today are hardly safe and secure avenues of communication. If orchestrated attacks by terrorist organizations have yet to take place, individual exploits by hackers and authors of malicious code have become much more commonplace.
Tuesday, July 25, 2006
Focus turns to network security: while many consider the telecoms infrastructure a vulnerable target for terrorists, the more immediate threats are at
Following the 9/11 attacks in the US, many within the telecommunications industry felt that a thorough security audit of all public networks was desperately needed. Some industry executives assumed that the country's infrastructure--especially the telecommunications system--represented a key target whose vulnerabitities would likely be exploited sooner or later.
Although the anticipated ideologically motivated sabotage hasn't occurred, technological advancements have presented new security challenges to enterprise and public networks.
Public networks today are hardly secure avenues of communication. If orchestrated attacks by terrorist organizations have yet to take place, individual exploits by hackers and authors of malicious code have become much more commonplace.
Such individuals often succeed in swamping both public and private networks with denial-of-service assaults. More frequently, they spread viruses and worms that are destructive to individuals using the public networks, rather than impacting the networks directly.
Although the anticipated ideologically motivated sabotage hasn't occurred, technological advancements have presented new security challenges to enterprise and public networks.
Public networks today are hardly secure avenues of communication. If orchestrated attacks by terrorist organizations have yet to take place, individual exploits by hackers and authors of malicious code have become much more commonplace.
Such individuals often succeed in swamping both public and private networks with denial-of-service assaults. More frequently, they spread viruses and worms that are destructive to individuals using the public networks, rather than impacting the networks directly.
Wednesday, July 19, 2006
CinTel develops a network security solution that enables content filtering proxy
CinTel Corp., Korea's top Internet Traffic Management (ITM) solution provider, is pleased to announce that it has developed a new network security solution that enables the filtering of outgoing web traffic. Using this new technology, CinTel expects to announce a new product that includes a web caching solution and content filtering proxy solution as early as the fourth quarter of this year.
One of the most important challenges facing enterprises in recent years is preventing important, and often times confidential, information from going out through the network. Until now, simple fire walling has failed to prevent information leakage through web mail, email, web hard, blogs, or internet bulleting boards, and it was impossible to trace these information leaks. In the network security industry, a solution which addresses these issues has been sought after for some time now.
CinTel's new security solution prevents leakage of confidential information via web mail, email, web hard, blog or bulletin boards. Moreover, it allows tracking of such leakage after the event. The new security solution, using this technology, allows filtering of outgoing web content according to a variety of desired parameters. The solution also enables forensic network analysis, therefore the network security administrator will be able to back-up, monitor and trace all data that leaves the network. CinTel's new security solution system comes equipped with a two-tier "Data Probe" and "Data Archive" system which enables huge data storage ability. Combining "Data Probe" with iCache provides both web caching and security solution in one unique piece of equipment.
One of the most important challenges facing enterprises in recent years is preventing important, and often times confidential, information from going out through the network. Until now, simple fire walling has failed to prevent information leakage through web mail, email, web hard, blogs, or internet bulleting boards, and it was impossible to trace these information leaks. In the network security industry, a solution which addresses these issues has been sought after for some time now.
CinTel's new security solution prevents leakage of confidential information via web mail, email, web hard, blog or bulletin boards. Moreover, it allows tracking of such leakage after the event. The new security solution, using this technology, allows filtering of outgoing web content according to a variety of desired parameters. The solution also enables forensic network analysis, therefore the network security administrator will be able to back-up, monitor and trace all data that leaves the network. CinTel's new security solution system comes equipped with a two-tier "Data Probe" and "Data Archive" system which enables huge data storage ability. Combining "Data Probe" with iCache provides both web caching and security solution in one unique piece of equipment.
Saturday, July 15, 2006
Organisations fear network security threats from Instant Messaging - report
Over half of organisations believe that Instant Messaging (IM) improves overall communications, but 68% are concerned or very concerned about the potential security threats of the technology, according to the results of research by analyst firm Osterman Research.
The concern about the potential security threats from viruses, worms and spyware is largely due to the well-publicised nature of the growing number of IM threats that have affected IM systems. The number of threats so far in 2005 is higher than for all of 2004, said the president of Osterman Research.
The results also showed that 52% of organisations are using IM for business applications although 75% of companies surveyed had not yet settled on one or more product as an IM standard. Most popular IM clients remained AOL Instant Messenger, MSN Messenger and Yahoo Messenger, with Google Talk already present in a significant percentage of the surveyed organisations. Lotus Instant Messaging and Web Conferencing (Sametime) continues to be the leading enterprise IM system in use, with Microsoft Live Communication Server steadily increasing its market penetration.
The concern about the potential security threats from viruses, worms and spyware is largely due to the well-publicised nature of the growing number of IM threats that have affected IM systems. The number of threats so far in 2005 is higher than for all of 2004, said the president of Osterman Research.
The results also showed that 52% of organisations are using IM for business applications although 75% of companies surveyed had not yet settled on one or more product as an IM standard. Most popular IM clients remained AOL Instant Messenger, MSN Messenger and Yahoo Messenger, with Google Talk already present in a significant percentage of the surveyed organisations. Lotus Instant Messaging and Web Conferencing (Sametime) continues to be the leading enterprise IM system in use, with Microsoft Live Communication Server steadily increasing its market penetration.
Thursday, July 06, 2006
Campus information technology officials identify "network and data security" as the "single most important IT issue affecting their institutions over
Campus information technology officials identify "network and data security" as the "single most important IT issue affecting their institutions over the next two-three years," reports the annual Campus Computing Survey. A new item on the questionnaire reveals that 50.7% of institutions experienced hacks or attacks on their campus networks in the past academic year; 41.2% reported major spyware infestations; while 35.2% endured major virus infestations, and 19.6% acknowledged major security incidents involving identity management.
Saturday, July 01, 2006
Corporate concern about network security
Facing an ever-growing array of threats to corporate information systems, technology executives now see enhancing network security as job one, shows a survey developed by Robert Half International, Menlo Park, Calif., a provider of information technology professionals on a project and full-time basis. Thirty-five percent of chief information officers polled say improvements to network security are their highest priority. Operating-system upgrades were the second-most frequent response, cited by 16% of executives.
"Security is moving from being regarded as largely a defensive measure to one that has become an integral part of systems design," emphasizes Katherine Spencer Lee, executive director of Robert Half. "The increasing sophistication of threats, along with new security requirements mandated by the Sarbanes-Oxley Act and other government regulations, means that ensuring network security now demands a proactive, enterprisewide strategy."
Lee points out that the growing importance of information security translates into increased employment opportunities for highly skilled professionals. "As this issue moves to the forefront, firms that had included security as part of the network administrator's role, in many cases, are creating new positions focused entirely on this function."
"Security is moving from being regarded as largely a defensive measure to one that has become an integral part of systems design," emphasizes Katherine Spencer Lee, executive director of Robert Half. "The increasing sophistication of threats, along with new security requirements mandated by the Sarbanes-Oxley Act and other government regulations, means that ensuring network security now demands a proactive, enterprisewide strategy."
Lee points out that the growing importance of information security translates into increased employment opportunities for highly skilled professionals. "As this issue moves to the forefront, firms that had included security as part of the network administrator's role, in many cases, are creating new positions focused entirely on this function."
Sunday, June 25, 2006
Network configuration management: an innovative, additional layer of network security - Storage Networking
With the increased number of cyber attacks and the overall complexity of enterprise networks today, IT professionals are challenged with the daunting task of protecting networks from known and unknown malicious activity. To combat network security issues, many organizations are deploying a layered security architecture that spans from the Internet to the desktop. The typical network security solutions companies deploy include firewalls, intrusion detection systems, anti-virus software, etc. Many organizations also utilize vulnerability assessments, penetration tests and other means to identify network vulnerabilities.
While traditional security solutions and services are being deployed to protect the network, devices continue to fall victim to attacks. As a result, many organizations are looking outside the "security application box" to other solutions that can more effectively secure, manage and maintain critical devices throughout the network. One particular application category IT professionals are turning to is Network Configuration Management.
Network configuration management solutions are specifically designed to automate the process of changing, securing and managing devices throughout the enterprise. Companies are turning to network configuration management solutions because there is a direct correlation between properly configured devices and network security. Whether configuration changes are introduced through malicious attacks, manual update errors, or network product defects, devices can become vulnerable and place your business at risk.
By leveraging a configuration management solution as part of your security strategy, organizations can arm IT professionals with device security and intrusion response functionality that is not found in traditional security solutions. Additionally, network configuration management solutions provide organizations with a disciplined, change management methodology that ensure IT professionals can only make changes that comply with the enterprise security policies.
While traditional security solutions and services are being deployed to protect the network, devices continue to fall victim to attacks. As a result, many organizations are looking outside the "security application box" to other solutions that can more effectively secure, manage and maintain critical devices throughout the network. One particular application category IT professionals are turning to is Network Configuration Management.
Network configuration management solutions are specifically designed to automate the process of changing, securing and managing devices throughout the enterprise. Companies are turning to network configuration management solutions because there is a direct correlation between properly configured devices and network security. Whether configuration changes are introduced through malicious attacks, manual update errors, or network product defects, devices can become vulnerable and place your business at risk.
By leveraging a configuration management solution as part of your security strategy, organizations can arm IT professionals with device security and intrusion response functionality that is not found in traditional security solutions. Additionally, network configuration management solutions provide organizations with a disciplined, change management methodology that ensure IT professionals can only make changes that comply with the enterprise security policies.
Tuesday, June 20, 2006
Network Security Services target small to medium businesses
Secure Remote Management and Threat Management Services guide SMBs through IP migration process by providing assessment, provisioning and integration, monitoring and proactive management, and issue resolution for network and security events. Remote Management Service monitors each component of infrastructure, including devices, servers, and applications. Threat Management Service extends security capabilities through continuous monitoring of routers, security devices, and Internet data traffic.
New NEC Secure Remote Management and Threat Management Services Provide Unparalleled Network Reliability and Security
IRVING, Texas, March 7 /-- NEC Unified Solutions, Inc. (NEC), a leader in converged voice and data communications for the enterprise, today announced the availability of two new managed services offerings: NEC Secure Remote Management Services and NEC Secure Threat Management Services. Designed for the small-to-medium business (SMB) and enterprise markets, these solutions improve network management and reliability while mitigating security risks and bolstering customers' network security posture.
Together, NEC's latest offerings ensure application and hardware availability by taking proactive measures to monitor and assess potential network issues and threats and enable NEC to assist customers throughout all phases of the IP migration process. The new services provide end-to-end assistance through the assessment, provisioning and integration, monitoring and proactive management and issue resolution for network and security events that occur in any organizations' business-critical voice and data networks.
New NEC Secure Remote Management and Threat Management Services Provide Unparalleled Network Reliability and Security
IRVING, Texas, March 7 /-- NEC Unified Solutions, Inc. (NEC), a leader in converged voice and data communications for the enterprise, today announced the availability of two new managed services offerings: NEC Secure Remote Management Services and NEC Secure Threat Management Services. Designed for the small-to-medium business (SMB) and enterprise markets, these solutions improve network management and reliability while mitigating security risks and bolstering customers' network security posture.
Together, NEC's latest offerings ensure application and hardware availability by taking proactive measures to monitor and assess potential network issues and threats and enable NEC to assist customers throughout all phases of the IP migration process. The new services provide end-to-end assistance through the assessment, provisioning and integration, monitoring and proactive management and issue resolution for network and security events that occur in any organizations' business-critical voice and data networks.
Monday, June 19, 2006
Network Security Solution can be deployed non- intrusively
CleanTraffic(TM) defends enterprises and service providers from targeted DDoS attacks, active zombies, and rapid malware. Within hours of deployment, product automatically learns about all network endpoints and detects, tracks, and mitigates outside-in or inside-out attacks to or from any endpoints. Solutions can be deployed using appliances that scale from 1 Gbps of traffic for smaller organizations, to over 10 Gbps of traffic for very large organizations.
PALO ALTO, Calif., March 20 / -- netZentry, a leader in advanced network security today announced the immediate availability of CleanTraffic(TM), a breakthrough solution designed to defend enterprises and service providers from the triple threat of targeted DDoS attacks, active zombies, and rapid malware. Unlike other forms of network attacks, triple threat attacks are signature-less, have zero-day characteristics, and are distributed in nature. These attacks cannot be effectively solved by traditional security offerings, including Intrusion Prevention Systems (IPS) and Application Firewalls.
netZentry's CleanTraffic(TM) solution uses patented technology to detect, track, and mitigate all forms of triple threat. CleanTraffic is deployed non- intrusively, as a sideline device, without disrupting existing infrastructure or affecting network performance. Within hours of deployment, CleanTraffic automatically learns about all the endpoints of the network, detects, tracks, and mitigates outside-in or inside-out attacks, to or from any of the endpoints. These include many-to-one DDoS attacks, one-to-many malware outbreaks, and active zombie traffic. CleanTraffic features a powerful, unified, real-time user-interface that simplifies defense management by providing rich analytics on a per-endpoint basis. CleanTraffic solutions are deployed using appliances that scale from 1 Gbps of traffic for smaller organizations, to over 10 Gbps of traffic for very large organizations.
"Enterprises and service providers alike are very vulnerable to the triple threat. These attacks, if not stopped, can result in substantial loss of revenue because of either loss of productivity or loss of customers caused by the outages. CleanTraffic is the only complete solution that detects triple threat attacks, and also neutralizes them before they can cause damage," said Vasu Vasudevan, President and CEO of netZentry.
The CleanTraffic solution is versatile and offers value to several market segments. For example, it enables service providers to protect not only their infrastructure but also their customers from outside-in DDoS attacks.
"The intuitive user interface and the attack mitigation capabilities of netZentry's CleanTraffic product make it easy for us to both save money and sleep better at night," said Ethan Burnside, Principal at Kattare Internet Services.
Chris Shaffer of 1-800-HOSTING added, "The CleanTraffic solution also helps detect active zombies within internal networks as has been the case at 1-800-HOSTING. netZentry's CleanTraffic products allow us to maintain a greater level of service availability during attacks by filtering the malicious traffic both to and from our customers' environment, allowing their businesses to continue uninterrupted."
PALO ALTO, Calif., March 20 / -- netZentry, a leader in advanced network security today announced the immediate availability of CleanTraffic(TM), a breakthrough solution designed to defend enterprises and service providers from the triple threat of targeted DDoS attacks, active zombies, and rapid malware. Unlike other forms of network attacks, triple threat attacks are signature-less, have zero-day characteristics, and are distributed in nature. These attacks cannot be effectively solved by traditional security offerings, including Intrusion Prevention Systems (IPS) and Application Firewalls.
netZentry's CleanTraffic(TM) solution uses patented technology to detect, track, and mitigate all forms of triple threat. CleanTraffic is deployed non- intrusively, as a sideline device, without disrupting existing infrastructure or affecting network performance. Within hours of deployment, CleanTraffic automatically learns about all the endpoints of the network, detects, tracks, and mitigates outside-in or inside-out attacks, to or from any of the endpoints. These include many-to-one DDoS attacks, one-to-many malware outbreaks, and active zombie traffic. CleanTraffic features a powerful, unified, real-time user-interface that simplifies defense management by providing rich analytics on a per-endpoint basis. CleanTraffic solutions are deployed using appliances that scale from 1 Gbps of traffic for smaller organizations, to over 10 Gbps of traffic for very large organizations.
"Enterprises and service providers alike are very vulnerable to the triple threat. These attacks, if not stopped, can result in substantial loss of revenue because of either loss of productivity or loss of customers caused by the outages. CleanTraffic is the only complete solution that detects triple threat attacks, and also neutralizes them before they can cause damage," said Vasu Vasudevan, President and CEO of netZentry.
The CleanTraffic solution is versatile and offers value to several market segments. For example, it enables service providers to protect not only their infrastructure but also their customers from outside-in DDoS attacks.
"The intuitive user interface and the attack mitigation capabilities of netZentry's CleanTraffic product make it easy for us to both save money and sleep better at night," said Ethan Burnside, Principal at Kattare Internet Services.
Chris Shaffer of 1-800-HOSTING added, "The CleanTraffic solution also helps detect active zombies within internal networks as has been the case at 1-800-HOSTING. netZentry's CleanTraffic products allow us to maintain a greater level of service availability during attacks by filtering the malicious traffic both to and from our customers' environment, allowing their businesses to continue uninterrupted."
Wednesday, June 14, 2006
The coast is clear: security software lets you know who's on the network
Getting your Wi-Fi equipment set up for security isn't as troublesome as it once was, but it can still be a headache. That's where software like Interlink Networks' LucidLink (www.lucidlink.com) comes in, offering enterprise-strength security for small and midsize businesses.
Ease of use is a must, and LucidLink gets good marks in that area. The only major hardware requirement is a computer wired to your router to run the authentication server part of the package. That computer has to be on whenever you want to use the software, but it doesn't have to be dedicated to the task. A small client program is then installed and configured on each computer you want to connect to your wireless network. The administrator authorizes users and can keep track of who is accessing the network.
LucidLink supports automatic access-point configuration for some devices. For other devices, you might have to manually configure your access point or router following instructions available online. Check the website to see if your hardware is supported. LucidLink is free for three or fewer users. Otherwise, pricing starts at $549 for four to 10 users.
Ease of use is a must, and LucidLink gets good marks in that area. The only major hardware requirement is a computer wired to your router to run the authentication server part of the package. That computer has to be on whenever you want to use the software, but it doesn't have to be dedicated to the task. A small client program is then installed and configured on each computer you want to connect to your wireless network. The administrator authorizes users and can keep track of who is accessing the network.
LucidLink supports automatic access-point configuration for some devices. For other devices, you might have to manually configure your access point or router following instructions available online. Check the website to see if your hardware is supported. LucidLink is free for three or fewer users. Otherwise, pricing starts at $549 for four to 10 users.
Friday, June 09, 2006
Network security tools
Assuming familiarity with C, Perl, and the use of assessment tools, this guide introduces techniques for modifying open source assessment tools and testing security vulnerabilities in networks and web applications. The authors, who are managers at Ernst & Young's advanced security center, discuss Nessus, Ettercap, Hydra, Nikto, the Metasploit framework, the PMD tool, Linux kernel modules, network sniffers, and packet injectors.
Saturday, June 03, 2006
Hiring Network Security Professionals
The most important qualification for any security professional to have is experience. Five or more years of experience directly related to security is enough to have seen the trends, understand the mind-set of hackers, and see the common uses and mis-uses of networks.
With the high demand for network security professionals, and the drought of experienced candidates, businesses have been willing to settle for less experienced candidates. A number of organizations have assembled training courses and certification exams to help bring novices to a reasonable level of security understanding.
Certifications
There are a number of certifications offered for security professionals. No one standard has been generally accepted throughout the community, and it will be a while before one emerges at the top of the heap. The top contenders are:
* CISSP. This exam is considered to be the most difficult, and most comprehensive security exam.
* Security+. This exam was developed jointly between government, educational and business. It tests many important aspects of the security professional's knowledge.
* TICSA. Offered by TruSecure, a security services vendor, this exam is being heavily promoted. Check for discounts on exam fees.
* SANS GIAC Certification. The Global Incident Analysis Center offers a baker's dozen certifications in the security arena. These certifications are, for the most part, vendor neutral. However, they do offer Unix and Windows specific certifications.
There are a number of vendor-specific exams. These include some for Cisco and Microsoft. In general these exams only show competence in implementing and using vendor-specific hardware and network architectures, and are not broad enough for most business security needs.
Above all, ensure that any security professional you are looking to retain has substantial experience and good references. Look at what they've done for other companies similar to yours, how many years of experience they have and get references.
With the high demand for network security professionals, and the drought of experienced candidates, businesses have been willing to settle for less experienced candidates. A number of organizations have assembled training courses and certification exams to help bring novices to a reasonable level of security understanding.
Certifications
There are a number of certifications offered for security professionals. No one standard has been generally accepted throughout the community, and it will be a while before one emerges at the top of the heap. The top contenders are:
* CISSP. This exam is considered to be the most difficult, and most comprehensive security exam.
* Security+. This exam was developed jointly between government, educational and business. It tests many important aspects of the security professional's knowledge.
* TICSA. Offered by TruSecure, a security services vendor, this exam is being heavily promoted. Check for discounts on exam fees.
* SANS GIAC Certification. The Global Incident Analysis Center offers a baker's dozen certifications in the security arena. These certifications are, for the most part, vendor neutral. However, they do offer Unix and Windows specific certifications.
There are a number of vendor-specific exams. These include some for Cisco and Microsoft. In general these exams only show competence in implementing and using vendor-specific hardware and network architectures, and are not broad enough for most business security needs.
Above all, ensure that any security professional you are looking to retain has substantial experience and good references. Look at what they've done for other companies similar to yours, how many years of experience they have and get references.
Sunday, May 28, 2006
An Open Door To Your Home Wireless Internet Network Security?
This is not some new fangled techno-speak, it is a real tool to be used for the protection of your wireless internet network and LAN. African American SMBs have to realize that if your Internet connection is on 24/7 then your network, and it is a network that your computer is connected to, is at risk. Any business that uses the Internet to share or exchange information, news, or ideas with clients, vendors, partners, or other locations look in the reflection of your monitor and realize that your business is an unintentional (or intentional) target.
You should already be aware of all the thousands of bugs, viruses, denial of service attacks and other unfriendly items that lurk on the internet and virtually try attacking every second. It's like having a screen door on your most valuable assets. Let's not repeat what you know about, let's look at a larger picture that should concern everyone - the unknown. There are attacks that go unreported for various reasons, these are the ones that the major software and hardware vendors have no clue about and can only warn you after an attack is reported.
If your files, email, identity, client or product information are important to your african american business and you cannot afford a network being down for 24 hours. Then a firewall is what should be between the internet and everything else. You need to expect an intrusion if you have a small amount or no network protection. Hackers have tools that search the Internet 24/7 looking for a vunerable point to destroy. Overzealous marketers use similar tools to harvest information to use for spamming and unfortunately no one currently calls that a crime that we know as identity theft.
You should already be aware of all the thousands of bugs, viruses, denial of service attacks and other unfriendly items that lurk on the internet and virtually try attacking every second. It's like having a screen door on your most valuable assets. Let's not repeat what you know about, let's look at a larger picture that should concern everyone - the unknown. There are attacks that go unreported for various reasons, these are the ones that the major software and hardware vendors have no clue about and can only warn you after an attack is reported.
If your files, email, identity, client or product information are important to your african american business and you cannot afford a network being down for 24 hours. Then a firewall is what should be between the internet and everything else. You need to expect an intrusion if you have a small amount or no network protection. Hackers have tools that search the Internet 24/7 looking for a vunerable point to destroy. Overzealous marketers use similar tools to harvest information to use for spamming and unfortunately no one currently calls that a crime that we know as identity theft.
Monday, May 22, 2006
Internet/Network Security
1 Introduction
Many security experts would agree that, had it not been for voice-over-IP, the simulation of the transistor might never have occurred. On the other hand, robots might not be the panacea that computational biologists expected [15]. Next, the basic tenet of this approach is the simulation of the Ethernet. Such a claim at first glance seems counterintuitive but has ample historical precedence. On the other hand, extreme programming alone cannot fulfill the need for embedded modalities.
Two properties make this solution different: our algorithm is based on the deployment of the Turing machine, and also our framework is copied from the principles of e-voting technology. The usual methods for the improvement of reinforcement learning do not apply in this area. In the opinions of many, the basic tenet of this solution is the development of rasterization. It should be noted that Eale explores thin clients. Obviously, we validate that the infamous multimodal algorithm for the development of e-commerce by Kobayashi et al. [14] is Turing complete.
We explore a novel solution for the emulation of DHCP, which we call Eale. daringly enough, we view software engineering as following a cycle of four phases: management, storage, visualization, and synthesis. Even though conventional wisdom states that this issue is mostly overcame by the refinement of I/O automata, we believe that a different approach is necessary. It should be noted that Eale synthesizes Bayesian information. Combined with the partition table, such a hypothesis evaluates a flexible tool for controlling Boolean logic.
Our contributions are twofold. Primarily, we describe new extensible models (Eale), which we use to confirm that voice-over-IP can be made mobile, Bayesian, and scalable. We explore an application for Byzantine fault tolerance (Eale), verifying that the well-known wireless algorithm for the refinement of cache coherence by Lee [16] runs in W(n!) time [1].
The rest of this paper is organized as follows. We motivate the need for erasure coding. Further, to realize this purpose, we confirm not only that local-area networks and voice-over-IP are largely incompatible, but that the same is true for evolutionary programming. Third, to address this issue, we motivate a novel algorithm for the emulation of simulated annealing (Eale), which we use to show that red-black trees can be made heterogeneous, modular, and event-driven. On a similar note, to achieve this purpose, we discover how lambda calculus can be applied to the understanding of journaling file systems. In the end, we conclude.
2 Related Work
While we are the first to explore active networks in this light, much existing work has been devoted to the improvement of multi-processors [3]. Although Christos Papadimitriou also constructed this method, we studied it independently and simultaneously. Unfortunately, these approaches are entirely orthogonal to our efforts.
We now compare our solution to prior autonomous theory solutions [2]. J. Smith [21] originally articulated the need for symbiotic epistemologies. This is arguably fair. The original approach to this question by Wilson and Maruyama [24] was good; however, this finding did not completely fulfill this goal. Further, Watanabe suggested a scheme for controlling the improvement of access points, but did not fully realize the implications of optimal epistemologies at the time. In this position paper, we surmounted all of the obstacles inherent in the previous work. A recent unpublished undergraduate dissertation proposed a similar idea for introspective symmetries [10,4,17,18,12]. The original solution to this quandary [23] was considered typical; on the other hand, this did not completely surmount this grand challenge [19]. This solution is even more costly than ours.
Eale builds on related work in self-learning configurations and algorithms. Along these same lines, Bose and Zheng introduced several stochastic methods, and reported that they have profound impact on multi-processors [6,9,8]. Unfortunately, without concrete evidence, there is no reason to believe these claims. Along these same lines, Martinez developed a similar heuristic, on the other hand we validated that our approach is maximally efficient [20]. Further, Wu et al. developed a similar system, unfortunately we validated that Eale follows a Zipf-like distribution [23]. As a result, the system of Watanabe and Wilson is a private choice for adaptive symmetries [17].
3 Eale Investigation
Consider the early architecture by J. Lee et al.; our design is similar, but will actually answer this question. We hypothesize that each component of Eale locates knowledge-based algorithms, independent of all other components. Similarly, we assume that each component of our application emulates virtual communication, independent of all other components. This is a compelling property of our application. The question is, will Eale satisfy all of these assumptions? Unlikely.
Figure 1: A design plotting the relationship between Eale and interposable information.
We executed a trace, over the course of several months, verifying that our methodology is unfounded [16]. We consider a framework consisting of n robots. Along these same lines, we hypothesize that each component of our methodology prevents encrypted modalities, independent of all other components. We use our previously visualized results as a basis for all of these assumptions.
Figure 2: A novel system for the analysis of robots.
Reality aside, we would like to simulate a framework for how our algorithm might behave in theory. We executed a trace, over the course of several years, demonstrating that our framework is unfounded. We show the diagram used by Eale in Figure 1. We postulate that each component of our algorithm emulates homogeneous symmetries, independent of all other components. Along these same lines, we consider a framework consisting of n checksums.
4 Implementation
In this section, we construct version 7b of Eale, the culmination of years of programming. Continuing with this rationale, it was necessary to cap the complexity used by Eale to 968 connections/sec. It was necessary to cap the interrupt rate used by Eale to 4756 celcius. The codebase of 41 Simula-67 files and the centralized logging facility must run in the same JVM. Next, since Eale runs in Q(logn) time, programming the centralized logging facility was relatively straightforward. We plan to release all of this code under BSD license.
5 Results
We now discuss our evaluation. Our overall evaluation seeks to prove three hypotheses: (1) that USB key speed behaves fundamentally differently on our decommissioned Commodore 64s; (2) that tape drive space is more important than an application's effective API when optimizing energy; and finally (3) that scatter/gather I/O has actually shown weakened median time since 2001 over time. Only with the benefit of our system's ROM speed might we optimize for simplicity at the cost of security. Second, the reason for this is that studies have shown that mean power is roughly 43% higher than we might expect [5]. Third, our logic follows a new model: performance might cause us to lose sleep only as long as scalability constraints take a back seat to average sampling rate. Our evaluation approach holds suprising results for patient reader.
5.1 Hardware and Software Configuration
Figure 3: The mean distance of our system, as a function of instruction rate. This follows from the visualization of DHCP.
Many hardware modifications were mandated to measure our heuristic. We performed a quantized prototype on Intel's metamorphic testbed to quantify symbiotic communication's influence on G. Sundararajan's visualization of DNS in 1980. we removed 3MB/s of Internet access from our network to quantify the randomly symbiotic behavior of random communication. Configurations without this modification showed exaggerated median signal-to-noise ratio. We added some FPUs to our XBox network to understand the effective RAM space of our sensor-net testbed. Third, we tripled the effective tape drive space of our network [1]. In the end, we removed 10MB of NV-RAM from our probabilistic cluster to better understand CERN's desktop machines. Had we emulated our network, as opposed to simulating it in hardware, we would have seen improved results.
Figure 4: The average distance of our methodology, as a function of throughput.
Eale runs on patched standard software. Our experiments soon proved that interposing on our SCSI disks was more effective than reprogramming them, as previous work suggested. This is an important point to understand. our experiments soon proved that exokernelizing our exhaustive sensor networks was more effective than monitoring them, as previous work suggested. We note that other researchers have tried and failed to enable this functionality.
5.2 Dogfooding Eale
Figure 5: These results were obtained by Wilson [7]; we reproduce them here for clarity. Our purpose here is to set the record straight.
We have taken great pains to describe out evaluation setup; now, the payoff, is to discuss our results. We ran four novel experiments: (1) we dogfooded our algorithm on our own desktop machines, paying particular attention to flash-memory throughput; (2) we dogfooded Eale on our own desktop machines, paying particular attention to RAM throughput; (3) we dogfooded Eale on our own desktop machines, paying particular attention to effective ROM throughput; and (4) we asked (and answered) what would happen if opportunistically lazily wireless linked lists were used instead of Lamport clocks [22]. We discarded the results of some earlier experiments, notably when we deployed 08 UNIVACs across the underwater network, and tested our access points accordingly.
We first shed light on all four experiments as shown in Figure 5. The key to Figure 4 is closing the feedback loop; Figure 4 shows how Eale's work factor does not converge otherwise. Second, we scarcely anticipated how wildly inaccurate our results were in this phase of the evaluation. Note the heavy tail on the CDF in Figure 4, exhibiting exaggerated latency.
We have seen one type of behavior in Figures 4 and 4; our other experiments (shown in Figure 3) paint a different picture. Note how emulating Web services rather than simulating them in hardware produce less discretized, more reproducible results. Along these same lines, the results come from only 2 trial runs, and were not reproducible. Along these same lines, operator error alone cannot account for these results.
Lastly, we discuss experiments (3) and (4) enumerated above. Gaussian electromagnetic disturbances in our 1000-node testbed caused unstable experimental results. Furthermore, the curve in Figure 3 should look familiar; it is better known as h*Y(n) = logloglogn. Error bars have been elided, since most of our data points fell outside of 27 standard deviations from observed means.
Many security experts would agree that, had it not been for voice-over-IP, the simulation of the transistor might never have occurred. On the other hand, robots might not be the panacea that computational biologists expected [15]. Next, the basic tenet of this approach is the simulation of the Ethernet. Such a claim at first glance seems counterintuitive but has ample historical precedence. On the other hand, extreme programming alone cannot fulfill the need for embedded modalities.
Two properties make this solution different: our algorithm is based on the deployment of the Turing machine, and also our framework is copied from the principles of e-voting technology. The usual methods for the improvement of reinforcement learning do not apply in this area. In the opinions of many, the basic tenet of this solution is the development of rasterization. It should be noted that Eale explores thin clients. Obviously, we validate that the infamous multimodal algorithm for the development of e-commerce by Kobayashi et al. [14] is Turing complete.
We explore a novel solution for the emulation of DHCP, which we call Eale. daringly enough, we view software engineering as following a cycle of four phases: management, storage, visualization, and synthesis. Even though conventional wisdom states that this issue is mostly overcame by the refinement of I/O automata, we believe that a different approach is necessary. It should be noted that Eale synthesizes Bayesian information. Combined with the partition table, such a hypothesis evaluates a flexible tool for controlling Boolean logic.
Our contributions are twofold. Primarily, we describe new extensible models (Eale), which we use to confirm that voice-over-IP can be made mobile, Bayesian, and scalable. We explore an application for Byzantine fault tolerance (Eale), verifying that the well-known wireless algorithm for the refinement of cache coherence by Lee [16] runs in W(n!) time [1].
The rest of this paper is organized as follows. We motivate the need for erasure coding. Further, to realize this purpose, we confirm not only that local-area networks and voice-over-IP are largely incompatible, but that the same is true for evolutionary programming. Third, to address this issue, we motivate a novel algorithm for the emulation of simulated annealing (Eale), which we use to show that red-black trees can be made heterogeneous, modular, and event-driven. On a similar note, to achieve this purpose, we discover how lambda calculus can be applied to the understanding of journaling file systems. In the end, we conclude.
2 Related Work
While we are the first to explore active networks in this light, much existing work has been devoted to the improvement of multi-processors [3]. Although Christos Papadimitriou also constructed this method, we studied it independently and simultaneously. Unfortunately, these approaches are entirely orthogonal to our efforts.
We now compare our solution to prior autonomous theory solutions [2]. J. Smith [21] originally articulated the need for symbiotic epistemologies. This is arguably fair. The original approach to this question by Wilson and Maruyama [24] was good; however, this finding did not completely fulfill this goal. Further, Watanabe suggested a scheme for controlling the improvement of access points, but did not fully realize the implications of optimal epistemologies at the time. In this position paper, we surmounted all of the obstacles inherent in the previous work. A recent unpublished undergraduate dissertation proposed a similar idea for introspective symmetries [10,4,17,18,12]. The original solution to this quandary [23] was considered typical; on the other hand, this did not completely surmount this grand challenge [19]. This solution is even more costly than ours.
Eale builds on related work in self-learning configurations and algorithms. Along these same lines, Bose and Zheng introduced several stochastic methods, and reported that they have profound impact on multi-processors [6,9,8]. Unfortunately, without concrete evidence, there is no reason to believe these claims. Along these same lines, Martinez developed a similar heuristic, on the other hand we validated that our approach is maximally efficient [20]. Further, Wu et al. developed a similar system, unfortunately we validated that Eale follows a Zipf-like distribution [23]. As a result, the system of Watanabe and Wilson is a private choice for adaptive symmetries [17].
3 Eale Investigation
Consider the early architecture by J. Lee et al.; our design is similar, but will actually answer this question. We hypothesize that each component of Eale locates knowledge-based algorithms, independent of all other components. Similarly, we assume that each component of our application emulates virtual communication, independent of all other components. This is a compelling property of our application. The question is, will Eale satisfy all of these assumptions? Unlikely.
Figure 1: A design plotting the relationship between Eale and interposable information.
We executed a trace, over the course of several months, verifying that our methodology is unfounded [16]. We consider a framework consisting of n robots. Along these same lines, we hypothesize that each component of our methodology prevents encrypted modalities, independent of all other components. We use our previously visualized results as a basis for all of these assumptions.
Figure 2: A novel system for the analysis of robots.
Reality aside, we would like to simulate a framework for how our algorithm might behave in theory. We executed a trace, over the course of several years, demonstrating that our framework is unfounded. We show the diagram used by Eale in Figure 1. We postulate that each component of our algorithm emulates homogeneous symmetries, independent of all other components. Along these same lines, we consider a framework consisting of n checksums.
4 Implementation
In this section, we construct version 7b of Eale, the culmination of years of programming. Continuing with this rationale, it was necessary to cap the complexity used by Eale to 968 connections/sec. It was necessary to cap the interrupt rate used by Eale to 4756 celcius. The codebase of 41 Simula-67 files and the centralized logging facility must run in the same JVM. Next, since Eale runs in Q(logn) time, programming the centralized logging facility was relatively straightforward. We plan to release all of this code under BSD license.
5 Results
We now discuss our evaluation. Our overall evaluation seeks to prove three hypotheses: (1) that USB key speed behaves fundamentally differently on our decommissioned Commodore 64s; (2) that tape drive space is more important than an application's effective API when optimizing energy; and finally (3) that scatter/gather I/O has actually shown weakened median time since 2001 over time. Only with the benefit of our system's ROM speed might we optimize for simplicity at the cost of security. Second, the reason for this is that studies have shown that mean power is roughly 43% higher than we might expect [5]. Third, our logic follows a new model: performance might cause us to lose sleep only as long as scalability constraints take a back seat to average sampling rate. Our evaluation approach holds suprising results for patient reader.
5.1 Hardware and Software Configuration
Figure 3: The mean distance of our system, as a function of instruction rate. This follows from the visualization of DHCP.
Many hardware modifications were mandated to measure our heuristic. We performed a quantized prototype on Intel's metamorphic testbed to quantify symbiotic communication's influence on G. Sundararajan's visualization of DNS in 1980. we removed 3MB/s of Internet access from our network to quantify the randomly symbiotic behavior of random communication. Configurations without this modification showed exaggerated median signal-to-noise ratio. We added some FPUs to our XBox network to understand the effective RAM space of our sensor-net testbed. Third, we tripled the effective tape drive space of our network [1]. In the end, we removed 10MB of NV-RAM from our probabilistic cluster to better understand CERN's desktop machines. Had we emulated our network, as opposed to simulating it in hardware, we would have seen improved results.
Figure 4: The average distance of our methodology, as a function of throughput.
Eale runs on patched standard software. Our experiments soon proved that interposing on our SCSI disks was more effective than reprogramming them, as previous work suggested. This is an important point to understand. our experiments soon proved that exokernelizing our exhaustive sensor networks was more effective than monitoring them, as previous work suggested. We note that other researchers have tried and failed to enable this functionality.
5.2 Dogfooding Eale
Figure 5: These results were obtained by Wilson [7]; we reproduce them here for clarity. Our purpose here is to set the record straight.
We have taken great pains to describe out evaluation setup; now, the payoff, is to discuss our results. We ran four novel experiments: (1) we dogfooded our algorithm on our own desktop machines, paying particular attention to flash-memory throughput; (2) we dogfooded Eale on our own desktop machines, paying particular attention to RAM throughput; (3) we dogfooded Eale on our own desktop machines, paying particular attention to effective ROM throughput; and (4) we asked (and answered) what would happen if opportunistically lazily wireless linked lists were used instead of Lamport clocks [22]. We discarded the results of some earlier experiments, notably when we deployed 08 UNIVACs across the underwater network, and tested our access points accordingly.
We first shed light on all four experiments as shown in Figure 5. The key to Figure 4 is closing the feedback loop; Figure 4 shows how Eale's work factor does not converge otherwise. Second, we scarcely anticipated how wildly inaccurate our results were in this phase of the evaluation. Note the heavy tail on the CDF in Figure 4, exhibiting exaggerated latency.
We have seen one type of behavior in Figures 4 and 4; our other experiments (shown in Figure 3) paint a different picture. Note how emulating Web services rather than simulating them in hardware produce less discretized, more reproducible results. Along these same lines, the results come from only 2 trial runs, and were not reproducible. Along these same lines, operator error alone cannot account for these results.
Lastly, we discuss experiments (3) and (4) enumerated above. Gaussian electromagnetic disturbances in our 1000-node testbed caused unstable experimental results. Furthermore, the curve in Figure 3 should look familiar; it is better known as h*Y(n) = logloglogn. Error bars have been elided, since most of our data points fell outside of 27 standard deviations from observed means.
Thursday, May 18, 2006
3 Ways Computers Can Hurt Your Ministry - Part 2 - Weak Network Security
Our computers have become almost indispensable ministry tools. What would you do if the worst happened and you had to function without your computers? Would your ministry survive?
This article is the second in a 3-part series on how to protect your ministry from serious computer-related loss. This time we’re going to focus on the basics of securing your network against potential inside and outside threats. In the final installment, we’ll cover what every ministry should know about software license compliance.
Good network security is an area many people in ministry neglect, simply because it can be so overwhelming. Even though there are lots of technical details involved with adequately securing your ministry’s network, if you focus on the handful of key areas presented in this article, you can prevent many of the potential threats you might face.
Passwords
The cornerstone of securing your network is to make sure you use strong, secure passwords. This is your first line of defense, and it’s often the weakest link in the chain. If someone can guess your password, they can impersonate you on the network and get to everything you have access to. Even worse, a hacker can use your password to try to “escalate” his level of access and possibly take over the whole network. Most ministries would suffer great loss if sensitive data (like donor information) was leaked out to the Internet by a hacker or disgruntled employee. Making sure your passwords are secure will help prevent this from happening.
Start by putting a password policy in writing. Some good practices to include in the policy are:
•Make all passwords at least 6 characters long, and require a mixture of numbers & upper/lowercase letters. They should be hard to guess, but still pretty easy for the users to remember.
•Require everyone to change their passwords on a regular basis and enforce a password history. This keeps users from recycling their old passwords again and again.
•Make sure no one writes their password on a “sticky note” and posts it in plain sight. This is a common security problem, and it’s almost as bad as having no password at all.
A good IT consultant can help with more suggestions, and these items can all be automatically enforced by your servers, so that everyone on the network will be protected.
Security Updates and Patches
Have you ever noticed that annoying message popping up at the bottom of your computer screen saying “New Updates Are Ready to Install”? Have you ever been tempted to ignore it? Don’t! Every month Microsoft releases security updates for many of their products, and the only way to stay secure is to install them faithfully.
As soon as software companies become aware of security problems, they release patches and updates to correct the issues. It’s your responsibility to download and install the patches so your system will stay up-to-date. I recommend configuring Automatic Updates on all your machines so this process will happen automatically. In a server environment, installing the latest updates can be automated for all your computers and managed from a central location. Just like maintenance on your car, you should plan to apply security patches and updates regularly to keep out potential hackers and viruses.
This article is the second in a 3-part series on how to protect your ministry from serious computer-related loss. This time we’re going to focus on the basics of securing your network against potential inside and outside threats. In the final installment, we’ll cover what every ministry should know about software license compliance.
Good network security is an area many people in ministry neglect, simply because it can be so overwhelming. Even though there are lots of technical details involved with adequately securing your ministry’s network, if you focus on the handful of key areas presented in this article, you can prevent many of the potential threats you might face.
Passwords
The cornerstone of securing your network is to make sure you use strong, secure passwords. This is your first line of defense, and it’s often the weakest link in the chain. If someone can guess your password, they can impersonate you on the network and get to everything you have access to. Even worse, a hacker can use your password to try to “escalate” his level of access and possibly take over the whole network. Most ministries would suffer great loss if sensitive data (like donor information) was leaked out to the Internet by a hacker or disgruntled employee. Making sure your passwords are secure will help prevent this from happening.
Start by putting a password policy in writing. Some good practices to include in the policy are:
•Make all passwords at least 6 characters long, and require a mixture of numbers & upper/lowercase letters. They should be hard to guess, but still pretty easy for the users to remember.
•Require everyone to change their passwords on a regular basis and enforce a password history. This keeps users from recycling their old passwords again and again.
•Make sure no one writes their password on a “sticky note” and posts it in plain sight. This is a common security problem, and it’s almost as bad as having no password at all.
A good IT consultant can help with more suggestions, and these items can all be automatically enforced by your servers, so that everyone on the network will be protected.
Security Updates and Patches
Have you ever noticed that annoying message popping up at the bottom of your computer screen saying “New Updates Are Ready to Install”? Have you ever been tempted to ignore it? Don’t! Every month Microsoft releases security updates for many of their products, and the only way to stay secure is to install them faithfully.
As soon as software companies become aware of security problems, they release patches and updates to correct the issues. It’s your responsibility to download and install the patches so your system will stay up-to-date. I recommend configuring Automatic Updates on all your machines so this process will happen automatically. In a server environment, installing the latest updates can be automated for all your computers and managed from a central location. Just like maintenance on your car, you should plan to apply security patches and updates regularly to keep out potential hackers and viruses.
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