China-based hackers are scanning for and exploiting a popular line of Cisco firewalls used by governments in the U.S., Europe and Asia. Incident responders from Palo Alto Networks’ Unit 42 have been ...

Technology company Cisco is being asked to answer a series of questions about a security incident that prompted emergency directives from the federal government last month. U.S. Sen. Bill Cassidy ...

An ongoing campaign of cyber attacks orchestrated through vulnerabilities found in the Cisco Adaptive Security Appliance (ASA) family of unified threat management (UTM) kit has prompted warnings from ...

A newly identified cyber-attack campaign has exploited Cisco Adaptive Security Appliance (ASA) devices in a sophisticated operation linked to the espionage-focused ArcaneDoor threat actor. The attacks ...

The U.K. National Cyber Security Centre (NCSC) has revealed that threat actors have exploited the recently disclosed security flaws impacting Cisco firewalls as part of zero-day attacks to deliver ...

Leading to remote code execution and privilege escalation, the flaws were exploited on Cisco ASA 5500-X series devices that lack secure boot. Cisco on Thursday released emergency patches for two ...

The Cybersecurity and Infrastructure Security Agency has published an emergency directive to warn against attackers targeting vulnerabilities affecting Cisco Adaptive Security Appliances, or ASA, web ...

The Cybersecurity and Infrastructure Security Agency issued an emergency directive on Thursday in response to a widespread campaign exploiting zero-day vulnerabilities in Cisco firewall devices. While ...

Cisco warned customers today to patch two zero-day vulnerabilities that are actively being exploited in attacks and impact the company's firewall software. The first one (CVE-2025-20333) allows ...

A host of Cisco devices have been under attack in recent months thanks to zero-day security vulnerabilities affecting millions of appliances, and organizations should waste no time in patching them ...