Researchers warn of fileless payloads, memory hooks, and a UDP-based C2 controller that complicate detection and remediation.

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

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. Tracked as CVE-2025-20352, the flaw ...

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 ...

Cisco Systems introduced a new high-capacity routing system and networking chip designed to connect data centers handling ...

The networking-equipment company said Wednesday that its new routing system, Cisco 8223, is optimized to efficiently and securely connect data centers and power the next generation of AI workloads.

Network admins should quickly patch a vulnerability in Cisco Systems IOS and IOS XE software to remove a stack overflow condition in the software’s Simple Network Management Protocol (SNMP) subsystem ...

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 ...

Officials warned that the breaches since May allowed hackers to remain inside Cisco security gear deployed to protect government networks. Federal agencies are racing to contain a new wave of ...

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 US’s Cybersecurity and Infrastructure Security Agency has issued an emergency directive, calling the hacking campaign 'widespread.' When he's not battling bugs and robots in Helldivers 2, Michael ...