PSA now is a good time to go through your ~/.ssh/known_hosts and delete all old SSH fingerprints from random EC2 instances or CTFs. Also delete any old GitHub SSH fingerprints and replace them with the current github.com SSH fingerprints.

#ssh #psa

GitHub's SSH key fingerprints - GitHub Docs

Public key fingerprints can be used to validate a connection to a remote server.

^{GitHub Docs}