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.

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 ...

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 ...

Cisco has addressed a high severity vulnerability that could allow remote attackers to crash Cisco Secure Email appliances using maliciously crafted email messages. The security flaw (tracked as ...

Cisco bug which was actively abused since late November 2025 has finally been addressed.

Cisco customers are dealing with a double whammy of security threats this week, as Chinese state-sponsored hackers exploit a critical zero-day vulnerability in email security products while separate ...

New vulnerabilities found in Cisco internal testing allow remote access and scripting that could lead to the loss of sensitive user data. Cisco has issued alerts for a vulnerability found in its email ...

A novel way to abuse a decades-old protocol used to send emails since the beginning of the Internet allows attackers to evade Domain-based Message Authentication, Reporting and Conformance (DMARC) and ...

Your email security appliance running Cisco AsyncOS could enter an endless loop of crashing and restarting if it attempts to process a specially crafted encrypted email. Cisco has disclosed fixes for ...

Network equipment supplier Cisco has finally released a security patch for Secure Email Gateway and Secure Email and Web Manager, closing a vulnerability that has been exploited since December of last ...

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 ...