Hackers are already targeting Cisco firewalls - and it's only a matter of time before they find yours, experts warn.

CISA issued a rare order to all federal civilian executive branch (FCEB) agencies to patch the vulnerabilities within 24 ...

Cyberattacks that have exploited two zero-day Cisco firewall vulnerabilities prompted the U.S. Cybersecurity and ...

CISA gives feds 24 hours to patch, NCSC urges rapid action as flaws linked to ArcaneDoor spies Cybersecurity agencies on both ...

Roughly 50,000 Cisco Adaptive Security Appliance (ASA) and Firewall Threat Defense (FTD) appliances exposed on the public web ...

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

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

IntroductionOn September 25, 2025, Cisco released a security advisory to patch three security flaws impacting the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA) and Cisco ...

WASHINGTON >> The U.S. government’s cyber defense agency has issued urgent guidance to other federal agencies over hackers ...

Cisco warned customers today to patch two zero-day vulnerabilities that are actively being exploited in attacks and impact ...

Cisco analysis suggests the origin of the attacks could be ArcaneDoor, a state-sponsored threat actor the vendor first ...

Cisco ASA zero-day attacks used RayInitiator bootkit and LINE VIPER malware to breach end-of-support firewalls.