Cisco announced patches for CVE-2026-20045, a zero-day vulnerability in Unified CM that has been targeted by hackers.

Cisco this week asked that a presentation on how to hack its IOS router software be pulled from a security conference in Las Vegas. A presentation called “The Holy Grail: Cisco IOS Shellcode Remote ...

The US is urging companies and government agencies to patch newly discovered flaws in Cisco firewall products, warning that an advanced hacking group is already exploiting them. On Thursday, the US’s ...

A U.S. court ruling has barred a former Internet Security Systems employee from further disseminating research he has already disclosed on how computer hackers could undermine Internet equipment made ...

Government agencies in the U.S. and Japan say that a group known as BlackTech has been observed compromising Cisco routers and installing backdoors for maintaining access. Hackers linked to the People ...

APT28, a state-sponsored hacking group operated by Russian military intelligence, is exploiting a six-year-old vulnerability in Cisco routers to deploy malware and carry out surveillance, according to ...

One of the most serious network device attacks in recent memory continues to widen, according to Censys researchers. Compromises of Cisco IOS XE devices jumped by 8,000 on Wednesday, bringing the ...

One day after it disclosed a security vulnerability in a wireless networking product, Cisco Systems must contend with a new threat – the long-promised release of a hacking tool that targets wireless ...

Network security appliances like firewalls are meant to keep hackers out. Instead, digital intruders are increasingly targeting them as the weak link that lets them pillage the very systems those ...

A one-time Cisco engineer who had sued his former employer, alleging it monopolized the business of servicing and maintaining Cisco equipment, has been charged by U.S. authorities with hacking. Peter ...