Three security holes in the software that runs Cisco Systems' routers and switches could let miscreants disrupt computer networks, including the Internet.
A potentially critical vulnerability has been found in Cisco Systems' Secure Access Control Server (ACS) for Windows servers, which is used to control devices such as routers in large networks.
Attendees at the Defcon security event denounce the way Cisco Systems and Internet Security Systems came down on Michael Lynn after he showed that it is possible to hack Cisco routers.
A flaw in the operating system for Cisco Systems' Catalyst switches could be used to shut down and reset the hardware, the network device maker said in an advisory released Wednesday.
Internet service providers are vulnerable to a flaw in Cisco routers that could cause some Web sites and servers to become inaccessible, according to a major telecommunications company and network administrators familiar with the issue.
Like many reporters engaged in the shady business of covering the Australian telecommunications sector, I spent Friday, 6 October, at Telstra's mammoth eight hour investor briefing in Sydney.
If you ran a software company and an independent security researcher contacted you with proof that your product contains security vulnerabilities, how would you react?
A potentially critical vulnerability has been found in Cisco Systems' Secure Access Control Server (ACS) for Windows servers, which is used to control devices such as routers in large networks.
Security experts warn that code which could be used to attack and crash Cisco routers has been posted to public mailing lists.
Learn about the dangers from a series of newly discovered serious vulnerabilities in the Kerberos authentication software.
Security experts worried on Thursday that a flaw in Microsoft Windows and another in Cisco's ubiquitous network routers could lead to serious Internet attacks.
The RPC system contains a flaw that could allow remote attackers to take over a vulnerable system. Here's a look at the problem and how to fix it, along with this week's other major threats.
The standard known as 802.11b or Wi-Fi is disruptive, certainly if you've invested any time, money and effort in 3G. But there is always something potentially superior around the corner.
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