Cisco finally patched a maximum-severity AsyncOS zero-day exploited in attacks targeting Secure Email Gateway (SEG) appliances since November 2025. Cisco warned customers today of an unpatched, ...

Better late than never. Cisco this week patched a ‘critical’ zero-day flaw in the company’s email security and management gateways that has hung over customers’ heads since December. Tracked as ...

“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 ...

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 ...

Cisco finally patched a maximum-severity AsyncOS zero-day exploited in attacks targeting Secure Email Gateway (SEG) appliances since November 2025. Cisco warned customers today of an unpatched, ...