CybersecurityOAuth
OAuth 2.0
Short definition
An open standard that lets a third-party app access a user resources on another service (like Google or Facebook) without knowing the password.
Extended definition
OAuth 2.0 is the foundation of "Sign in with Google" and "Connect your account to X". The user authorizes the app to access a specific scope (e.g., read email only), and receives an Access Token valid for an hour. After an hour, it is renewed using a Refresh Token.
Example & use case
The Ortech app offers Sign in with Google via OAuth, importing the user name and photo automatically without a password.
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