Cisco has finally patched a maximum-level security issue which was allegedly being targeted by Chinese hackers

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

Cisco finally patches seven-week-old zero-day flaw in Secure Email Gateway products

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

Cisco finally fixes AsyncOS zero-day exploited since November

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

Cisco Patches Vulnerability Exploited by Chinese Hackers

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

Cisco Patches Zero-Day RCE Exploited by China-Linked APT in Secure Email Gateways

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 ...
ZDNet

Cisco brings new email security services to its AMP endpoint platform

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 ...
Security

Cisco announces new e-mail security offering

Company to provide managed, hosted and hybrid e-mail protection services SAN JOSE, Calif -- Cisco today announced new managed, hosted and hybrid hosted e-mail security services that provide the ...