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

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

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

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

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

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

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 ...

Chinese hackers are exploiting a critical Cisco email security flaw, gaining root access and installing backdoors. This zero-day vulnerability, CVE-2025-20393, affects specific configurations and ...

A remote attacker could exploit the vulnerability simply by sending an email. Cisco has patched two serious vulnerabilities – one critical and one high-severity – in its email security appliance tool.

Cisco is updating its AMP endpoint security platform with new email security services, and expanded capabilities designed to protect employee devices from ransomware, cryptomining, and fileless ...