Today rumors are flying that Cisco IOS source code may have been compromised, reports CNet and eWeek.

Cisco has not yet confirmed that hackers have broken into their network and stole 800MB of the code but reports are that a portion of the Cisco source code was leaked on a hacker Internet Relay Chat channel to prove the authenticity.

Cisco makes up over 60% of the core router market on the Internet. IOS 12.3 is the newest version of their OS. Network and security administrators who rely on Cisco products should be warned that new exploits could be on their way.