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) ...

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.

The Web has become the new security battle front, surpassing even e-mail as the leading source of malware infections. In a recent study, Google found that one in 10 Web sites that it crawled contained ...

Cisco warned customers today of an unpatched, maximum-severity Cisco AsyncOS zero-day actively exploited in attacks targeting Secure Email Gateway (SEG) and Secure Email and Web Manager (SEWM) ...

“There are no workarounds identified that directly mitigate the risk concerning this attack campaign,” is not what you want to read, having just been informed of a zero-day exploit concerning a Common ...

The unpatched flaw affects AsyncOS-based Secure Email appliances, with Cisco investigating scope and urging rebuilds in confirmed compromise cases. Cisco has warned that a China-linked hacking group ...

Secure email gateways (SEG) do a lot to protect organizations from malware, spam, and phishing email. For some threat actors though, they also offer an attractive option for sneaking malicious mail ...

ZÜRICH--(BUSINESS WIRE)--Open Systems, the leading Secure Access Experience solution, today announced the general availability of its Secure Web Gateway as a Service offering. Open Systems Secure Web ...