Cisco Systems' Internetwork Operating System now sits at the center of the information security vortex. Because IOS controls the routers that underpin most business networks as well as the Internet, ...

Cisco is aiming to make its Internetwork Operating System (IOS) easier to patch because administrators using the company's network hardware have been reluctant to upgrade even though serious security ...

Cisco Systems Inc. has warned customers of a flaw in its Internetwork Operating System (IOS) software that could compromise the integrity of TCP traffic sent to and from its routers and switches. The ...

Cisco has fixed a bug in its IOS (Internetwork Operating System) router software that contributed to a brief Internet blackout last week, thought to have affected about 1% of the Internet. The bug was ...

The threat affects all Cisco products running the vendor's Internetwork Operating System (IOS). A DoS attack can be triggered if a hacker crafts a malicious TCP connection to a Telnet or reverse ...

A security researcher has developed malicious rootkit software for Cisco Systems' routers, a development that has placed increasing scrutiny on the routers that carry the majority of the Internet's ...