Cisco has disclosed four critical security flaws affecting router equipment that uses its IOS XE and IOS software. The four critical flaws are part of Cisco's June 3 semi-annual advisory bundle for ...

Cisco routers are built into the fabric of the Internet and enterprise networks, a fact that makes them highly attractive targets for attackers. Researchers at FireEye have come across attacks ...

Cisco’s IOS XE software for SD-WAN routers has a high-severity insufficient input validation flaw. Cisco has patched a high-severity vulnerability in its router software, which if exploited could ...

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 ...

Cisco has unleashed an extensive new round of security warnings – three of them “critical” – mostly for users of its iOS XE software and industrial router family. In total, Cisco issued 23 Security ...

90+% of Cisco Router administrators are CLI jockeys, myself included. However, there are several GUI tools that can help you manage and secure your Cisco routers very quickly. The one I want to focus ...

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 ...

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 ...

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 ...

The https://www.pcworld.com/tags/Cisco+Systems+Inc..html hacking scene has been pretty quiet for the past three years, but at this week’s Black Hat hacker ...

Most IT pros know that using Telnet to manage routers, switches, and firewalls is not exactly a security best practice. Instead, the accepted alternative to Telnet's lack of security is Secure Shell ...