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.

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

Email has been around for 50 years, and while it's fast and efficient, it's not always secure. Best-in-breed security is essential for protecting companies from phishing and other cyberattacks.

Cisco notified customers this week to patch a critical vulnerability that could allow attackers to bypass authentication and login into the web management interface of Cisco email gateway appliances ...

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

The spoofed email has targeted close to 75K inboxes, slipping past spam and security controls across Office 365, Google Workspace, Exchange, Cisco ESA and more. Armorblox researchers have spotted an ...

The software that runs Cisco’s new Firewall 4200 Series now includes the ability to see into encrypted traffic without decrypting it, which the vendor says will allow enterprise customers to better ...