We have port-security enabled on the access switches across our enterprise. Until last month, we had aging timers also set, for 2 minutes, and all was well in the world. Last month those timers were ...

Older Cisco devices unpatched against a recent zero-day vulnerability have been infected with a rootkit in a new campaign.

Threat actors exploited a recently patched remote code execution vulnerability (CVE-2025-20352) in Cisco networking devices ...

A new attack campaign, dubbed Operation Zero Disco by Trend Micro , exploits a vulnerability in Cisco's Simple Network ...

Port Security – This is one of the most commonly used switch security feature of all. It is vital for protection against MAC spoofing and CAM table overflow attacks. This feature works by limiting an ...

Cisco Talos, the cyber-security division of US IT conglomerate Cisco, said today that hackers are abusing misconfigured Cisco switches to gain a point of entry into organizations across the world. The ...

Cybersecurity researchers have disclosed details of a new campaign that exploited a recently disclosed security flaw impacting Cisco IOS Software and IOS XE Software to deploy Linux rootkits on older, ...

In a security alert published today, Cisco has advised owners of Nexus switches to disable a feature called PowerOn Auto Provisioning (POAP) for security reasons. POAP is currently enabled by default ...

Five things you should know about configuring a Cisco IOS switch Your email has been sent Once you're ready to make the jump to a more sophisticated switch, what do you need to know? Let's answer some ...