---
title: Authentication
intro: 'Keep your account and data secure with features like {% ifversion not ghae %}two-factor authentication, {% endif %}SSH{% ifversion not ghae %},{% endif %} and commit signature verification.'
redirect_from:
  - /categories/56/articles
  - /categories/ssh
  - /mac-verify-ssh
  - /ssh-issues
  - /verify-ssh-redirect
  - /win-verify-ssh
  - /categories/92/articles
  - /categories/gpg
  - /categories/security
  - /categories/authenticating-to-github
  - /github/authenticating-to-github
versions:
  fpt: '*'
  ghes: '*'
  ghae: '*'
  ghec: '*'
topics:
  - 2FA
  - Identity
  - Access management
  - Usernames
  - Device verification
children:
  - /keeping-your-account-and-data-secure
  - /securing-your-account-with-two-factor-authentication-2fa
  - /authenticating-with-saml-single-sign-on
  - /connecting-to-github-with-ssh
  - /troubleshooting-ssh
  - /managing-commit-signature-verification
  - /troubleshooting-commit-signature-verification
---