Building your Cisco cert lab – if you’re figuring it out for yourself – requires a lot of lateral thinking. You can start by looking at the more inexpensive ...

In a recent security alert, Cisco Systems warned that the Cisco IOS is vulnerable to a malicious attack (see Cisco warns of critical IOS flaws). By exploiting this vulnerability, a hacker could ...

Cisco has disclosed over a dozen high-severity vulnerabilities affecting the widely deployed Cisco IOS and IOS XE network automation software, including a nasty one affecting its industrial routers ...

Automatic Signature Extraction (ASE) is a new feature in IOS release 12.4(15)T1 that is designed to find and stop worms and viruses on the network, day zero. To quote from one of the ASE developers ...

You're going to hear quite a lot of opinions on this. Here's mine. Buy a good book; I'd recommned the CCNA Study Guide from Sybex written by Todd Lammle. Buy a low end Cisco router like a 1700 or 2500 ...

Cisco Systems released firmware updates for several routers and switches that run its IOS and IOS XE software in order to fix flaws in their autonomic networking infrastructure (ANI) feature. ANI is ...

The decision by Internet Security Systems Inc. (ISS) research analyst Michael Lynn to speak at this week’s Black Hat USA conference about how unpatched Cisco routers can be remotely compromised has ...

Most IT pros realize that using Telnet to manage routers, switches, and firewalls is insecure. Transmitted in clear text across a network, Telnet traffic basically publicizes any login usernames and ...