An attempt to strike at a core Microsoft market comes up short. Update: Zeus Kerravala's take on Cisco's move is here In a noteworthy competitive development in its enterprise communications battle ...

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 ...

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

Cisco Systems has decided to kill its cloud-based e-mail service Cisco Mail, only 13 months after it was introduced, the company said in a blog post on Tuesday. With the growing acceptance of cloud ...

As business move their email infrastructure to the cloud, addressing advanced threats such as business email compromise, phishing, and account takeover attacks is top-of-mind. With 90% of data ...

Chinese hackers are exploiting a critical Cisco email security flaw, gaining root access and installing backdoors. This zero-day vulnerability, CVE-2025-20393, affects specific configurations 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 ...