Chinese hackers are behind attacks on AsyncOS Software that allow complete takeover of the appliance, company says.

At least one of these groups allegedly targeted Cisco Secure Email Gateway, and Cisco Secure Email and Web Manager instances ...

Cisco finally patched a maximum-severity AsyncOS zero-day exploited in attacks targeting Secure Email Gateway (SEG) ...

This is a threat to security - and to the weekend for some unlucky netadmins Cisco finally delivered a fix for a ...

Cisco released fixes for CVE-2025-20393, a CVSS 10.0 zero-day RCE flaw in AsyncOS exploited by a China-linked APT via email ...

Cisco patched an Email Gateway and Secure Email zero-day exploited by Chinese hackers to deploy the AquaShell backdoor.

Attackers compromise Cisco Secure Email Gateway and Secure Email and Web Manager via a root vulnerability. Security updates are now available.

Cisco has patched a critical AsyncOS zero-day flaw exploited since November, linked to a suspected Chinese APT group ...

Cisco patched a vulnerability in its Identity Services Engine after a public PoC exploit showed how attackers could read ...

Cisco has patched an ISE vulnerability with public proof-of-concept exploit code that can be abused by attackers with admin ...