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.

Qualys uncovers two bugs in OpenSSH The flaws could be used in Machine-in-the-Middle and Denial-of-Service attacks Patches are available, as well as some mitigations OpenSSH carried two ...

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 ...

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 ...

Last week’s OpenSSH security update warrants a close look for users who re-enable X11Forwarding in OpenSSH. Users who choose to enable X11Forwarding in OpenSSH, or those who use software products that ...

A new version of OpenSSH, an implementation of the secure shell protocol, includes a switch to a new key-exchange mechanism by default, among other changes. An advisory from developer Damien Miller ...

I enthusiastically use two-factor authentication whenever possible, because static passwords aren't the best mechanism around any moat. Traditional passwords are vulnerable to social engineering, ...

When you consider the elevated, root privileges SSH provides, you would assume that enterprises make SSH keys more secure than simple usernames and passwords, which provide far fewer privileges to ...

If you are a systems administrator of one or more Linux/UNIX systems, OpenSSH is likely one of the most important tools in your toolbox. OpenSSH can be used interactively or embedded in scripts to ...