A critical zero-day vulnerability in certain Cisco Systems firewalls has to be patched immediately, US and UK cyber authorities warned Thursday. They said exploits of the hole are part of ongoing ...

Around 50,000 internet-connected Cisco firewalls are vulnerable to two actively exploited flaws, granting threat actors unauthenticated remote code execution (RCE), as well as full control over ...

Cisco has confirmed a new IOS and IOS XE zero-day, the latest in a string of flaws that attackers have been quick to weaponize. Cisco's IOS, the networking software workhorse running across countless ...

Cisco has released security updates to address a high-severity zero-day vulnerability in Cisco IOS and IOS XE Software that is currently being exploited in attacks.

Cisco released emergency patches for two firewall vulnerabilities exploited as zero-days in the ArcaneDoor espionage campaign.

Cisco announced patches for 14 vulnerabilities in IOS and IOS XE, including a bug that has been exploited in the wild.

The US’s Cybersecurity and Infrastructure Security Agency has issued an emergency directive, calling the hacking campaign 'widespread.' ...

Censys warns that nearly 200,000 Cisco devices expose a service that was found to contain a severe vulnerability.

AI clusters require top-notch connectivity components given that a single slow GPU link or failed connection can significantly impede performance.

As many as 2 million Cisco devices are susceptible to an actively exploited zero-day that can remotely crash or execute code on vulnerable systems.

Cisco Systems, Inc. remains a leader in data center networking but faces declining revenue and market share. Click here to read why CSCO stock is a Hold rating.