network security

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Critical denial-of-service flaw in BIND software puts DNS servers at risk

Posted March 29, 2013 - 1:12 pm

A flaw in the widely used BIND DNS (Domain Name System) software can be exploited by remote attackers to crash DNS servers and affect the operation of other programs running on the same machines.
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Where do Cisco's network security plans go from here?

Posted March 21, 2013 - 8:54 pm

Despite its leadership position in most enterprise security product areas, Cisco faces a number of technological and competitive challenges to stay out in front.
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Security appliances are riddled with serious vulnerabilities, researcher says

Posted March 14, 2013 - 8:16 pm

The majority of email and Web gateways, firewalls, remote access servers, UTM (united threat management) systems and other security appliances have serious vulnerabilities, according to a security researcher who analyzed products from multiple vendors.
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Juniper security products use device-fingerprinting as way to detect, block attacks

Posted February 25, 2013 - 12:57 pm

Juniper Networks today rolled out a battalion of security products and services to protect corporate networks, stating that when it comes to defensive measures, security attacks can be better prevented by determining device-fingerprinting rather than blocking attacks based on IP address.
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Juniper routers open to attack

Posted February 7, 2013 - 12:11 pm

A flaw has cropped up in Juniper's router operating system that can cause the systems to crash and reboot.
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Security Manager's Journal: Getting up to date on expired access rights

Posted February 5, 2013 - 2:33 pm

Employees come and employees go, but access rights tend to live on long after their departures.
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Enterprise security testing: What are you missing?

Posted December 12, 2012 - 12:13 pm

For all the advances in enterprise networking over the years there's been one big step backward: security testing. Relatively few enterprises today conduct regular security tests in-house, relying instead on occasional tests by outside consultants or, more dangerously, just taking vendor claims at face value.
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The cybersecurity needs of the borderless enterprise

Posted November 27, 2012 - 4:55 pm

As the traditional security perimeter dissolves in a virtualized environment, organizations need a new cybersecurity framework and architecture.
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MetaFlows launches low-cost SaaS product that unifies network security

Posted January 30, 2012 - 10:59 am

Network security monitoring startup MetaFlows launched a new Software-as-a-Service (SaaS) product that can be installed on low-cost hardware to monitor network traffic flow, detect possible intrusions and analyze event logs.
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CoreIT RSS

Georgia, Armenia taken offline by elderly scourge of the Internet

Posted April 7, 2011 - 10:57 am

Georgian security teams arrested a 75-year-old woman digging for scrap metal, after she accidentally cut the one fiber strand connecting all of Armenia to Cyberspace.
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Should you worry about rogue wireless network access points?

Posted February 15, 2011 - 3:30 pm

The subject of rogue access points (RAPs) has been on our minds lately, and in our ongoing 2011-2012 benchmark interviews we have been asking folks about their experiences with them.
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AT&T security chief details infrastructure protection plans

Posted January 14, 2011 - 2:22 pm

As chief security officer at AT&T, Edward Amoroso has long observed how cyberattacks impact customer and service-provider networks. In his newly published book, Amoroso says it's time to unite to create the equivalent of a national cyber-protection shield to guard against attacks on industry and government networks by terrorists, state-sponsored attackers and plain old thieves.
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Good times projected for network security market in 2011

Posted January 4, 2011 - 10:24 am

There's some early optimism about the information technology industry as the world steps into 2011. For one thing, the global network security market is expected to be on the rise, according to estimates from IDC, which forecasts a return to the growth of pre-recession levels this year.
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Fix to Internet infrastructure coming in wake of Chinese traffic hijack

Posted December 7, 2010 - 4:02 pm

Policymakers disagree about whether the recent Chinese hijacking of Internet traffic was malicious or accidental, but there's no question about the underlying cause of this incident: the lack of built-in security in the Internet's main routing protocol.
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Report sounds alarm on China's rerouting of U.S. Internet traffic

Posted November 18, 2010 - 10:31 am

A report submitted to Congress on Wednesday by the U.S.-China Economic and Security Review Commission expressed concerns over what the commission claims is China's growing ability to control and manipulate Internet traffic.
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Learn from Treasury's networking mistakes

Posted October 4, 2010 - 8:24 pm

Diane Litman, acting deputy assistant secretary for information systems and chief information officer at Treasury, says CIOs can learn two lessons from the mistakes that were made with the Treasury Network (TNet) consolidation effort.
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How Treasury, AT&T botched billion-dollar network upgrade

Posted October 4, 2010 - 8:23 pm

Three years ago, the U.S. Treasury Department awarded a billion-dollar network consolidation project to AT&T, which claimed to win the deal due to its superior "transition plan."
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Get Tough With Your Users to Protect Your Network

Posted February 22, 2010 - 5:59 pm

No one likes to be hated, but if you're running a small business, sometimes you've got to take security measures that will make your employees really angry. You might even have to (gasp) pull some PCs off the Internet, and treat some employees like, well, children.
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Tuning Snort with Host Attribute Tables

Posted February 17, 2010 - 11:23 pm

Having trouble finding malicious activity during Snort scans? Your Snort implementation may need a tune up. Joel Esler tells you how to do it using host attribute tables.
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The Daily Tip RSS

Core network security: A seldom used bag of tricks

Posted October 22, 2009 - 8:38 am

Whichever core network vendor you've chosen (Cisco, Brocade, Juniper), you have an arsenal of great core network security features at your disposal. These include: Dynamic ARP Inspection, DHCP Snooping, Identity Based Network Services, Infrastructure Protection Access-Lists (iACLs), Router Neighbor Authentication, etc. The list is very long, most have been around for years, and many times NONE of them are in place at organizations big or small.
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Tech That Matters RSS

Internet Security: Patch your apps now!

Posted September 15, 2009 - 4:47 am

A report from the SANS Institute shows that it is all about unpatched applications, not the underlying operating systems. Most of the observed attacks have come from older, weaker apps and well known Internet vulnerabilities.
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Protecting your network against email threats

Posted November 11, 2008 - 4:58 am

The widespread use of email has provided hackers and crackers with an easy way to distribute harmful content to the internal network. Hackers can easily circumvent the protection offered by a firewall by tunneling through the email protocol, since it does not analyze email content.
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Video

Endpoint Security

Posted September 11, 2008 - 10:29 am

A webcast describing the importance of having an endpoint security software to protect your network from data leakage and malicious activity.
http://www.gfi.com/endpointsecurity/esecwebcast.htm
- Quick Read

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