The GitHub CEO said that developers can remove their old key by running the command "$ ssh-keygen -R github.com." If you want to see the other steps provided by Hanley to replace the leaked ...

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 ...

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.