Here's a very quick example of how to setup GitHub SSH keys and use them to perform Git clone, push and pull commands over a securely configured SSH connection.

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.

GitHub also supports integration with physical security keys like Yubikey. Here’s how you can enable 2FA on your GitHub account: Log in to your GitHub account on the desktop.

A bug in the library's pseudo-random number generator allowed for the generation of duplicate RSA keys, enabling users to access other GitHub accounts secured with the same SSH key.