GitHub has added support for securing SSH Git operations using FIDO2 security keys for added protection from account takeover attempts.

Here's a quick example of how to securely connect Git to GitHub with SSH KeyGen produced secure shell keys on both Windows and Linux.

When you add a security key to SSH operations, you can use these devices to protect you and your account from accidental exposure, account hijacking, or malware, GitHub security engineer Kevin ...

GitHub has revoked weak SSH authentication keys generated using a library that incorrectly created duplicate RSA keypairs.

Earlier this year, researcher Ben Cox collected the public SSH (Secure Shell) keys of users with access to GitHub-hosted repositories by using one of the platform’s features.

Hanley, who is also GitHub's SVP of Engineering, said that they quickly contained the exposure and investigated the root cause of the issue. GitHub's RSA SSH Private Key Accidentally Leaked to Public!

An audit of the SSH keys on GitHub found that some are weak enough to be factored and many others are vulnerable to the Debian OpenSSL bug from 2008.

Assume your GitHub account is hacked, users with weak crypto keys told SSH keys give access to projects belonging to Spotify, Yandex, and UK gov.