Authentication

Keep your account and data secure with features like two-factor authentication, SSH, and commit signature verification.

Keeping your account and data secure

To protect your personal information, you should keep both your account on GitHub.com and any associated data secure.

Securing your account with two-factor authentication (2FA)

You can set up your account on GitHub.com to require an authentication code in addition to your password when you sign in.

Connecting to GitHub with SSH

You can connect to GitHub using the Secure Shell Protocol (SSH), which provides a secure channel over an unsecured network.

Troubleshooting SSH

When using SSH to connect and authenticate to GitHub, you may need to troubleshoot unexpected issues that may arise.

Managing commit signature verification

You can sign your work locally using GPG or S/MIME. GitHub will verify these signatures so other people will know that your commits come from a trusted source. GitHub will automatically sign commits you make using the GitHub web interface.

Troubleshooting commit signature verification

You may need to troubleshoot unexpected issues that arise when signing commits locally for verification on GitHub.

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