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 ...

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.

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!

GitHub was forced to change its RSA SSH key today, after the private key was briefly exposed in a public GitHub repository. That’s why users who connected today to GitHub.com via SSH got a ...

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.

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.

As an authentication mechanism, SSH provides two-factor authentication in the form of something you have (the secret key) and something you know (the key phrase).

The server can then give the agent the public keys that are allowed for accounts, and the agent is then set up to automatically manage the authorized_key files for those users.

Out of the box, secure shell is fairly secure. With the help of ssh key authentication, you can lock down secure shell so that only specific machines can log in. Here's how.