With two-factor authentication (2FA), you have to log in with your username and password and provide another form of authentication that only you know or have access to.
To protect your personal information, you should keep both your account on GitHub.com and any associated data secure.
When using SSH to connect and authenticate to GitHub, you may need to troubleshoot unexpected issues that may arise.
You may need to troubleshoot unexpected issues that arise when signing commits locally for verification on GitHub.