OAuth

OAuth 2.0 is an authorization framework standardized as RFC 6749 by the IETF (Internet Engineering Task Force) in 2012, designed to allow users to grant third-party applications limited access to their resources without exposing their credentials (passwords). It is currently adopted as the standard for social login and API authorization by most major internet services including Google, Facebook, GitHub, and Twitter. The Origins of OAuth The Problem OAuth Solves Before OAuth, users had to directly provide their usernames and passwords to third-party applications, which created serious security risks. Users had no way to know which applications would safely manage their credentials, nor could they granularly control access permissions or revoke them at any time. ...