OAuth 2.0
An open authorization framework that allows third-party applications to access user data on another service without exposing the user's password.
OAuth 2.0 is an authorization framework that enables applications to obtain limited access to user accounts on third-party services. Instead of sharing passwords, users grant “access tokens” with specific scopes and expiration times.
OAuth 2.0 powers “Login with Google/Facebook/GitHub” buttons, API integrations, and service-to-service authentication. It separates authentication (verifying identity) from authorization (granting access), though it’s often combined with OpenID Connect (OIDC) for authentication.
For teams, OAuth reduces the number of passwords to manage, but it doesn’t eliminate them. Many services don’t support OAuth, and shared team accounts often require traditional credentials. A password manager complements OAuth by securing the credentials that can’t be replaced by tokens.
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