A popular open-source program for encrypted communications has a serious flaw that could let Internet attackers slip into servers running the software, said its creators and a security firm this week.

Two significant security vulnerabilities in networking utility OpenSSH have been uncovered by security researchers. These flaws, identified as CVE-2025-26465 and CVE-2025-26466, pose risks of ...

Academic researchers developed a new attack called Terrapin that manipulates sequence numbers during the handshake process to break the SSH channel integrity when certain widely-used encryption modes ...

A vulnerability affects all versions of the OpenSSH client released in the past two decades, ever since the application was released in 1999. The security bug received a patch this week, but since the ...

The vast majority of organizations are mismanaging Secure Shell (SSH) in their IT environments, exposing critical systems and data to attack, according to new research from Venafi. The certificate ...

The OpenSSH protocol goes way back, but it's recently been making the news. The open source protocol, which adds security around remote server access and file transfers, is perhaps so ubiquitously ...

SSH Communications Security has extended the compatibility of a product that helps companies manage the security of their internal data. The Universal SSH Key Manager now works with mainframes running ...