Social Media Authentication

aka social login or social sign-in, allows users to authenticate using their existing social media accounts, such as Facebook, Twitter, Google, or LinkedIn.

• Has the benefits of the SSO.
• Can use OAuth 1.0, OAuth 2.0, and even Basic Authentication.
• Usually starts by creating a developer “app” on the social network.
• Pros: Existing profile information can be shared with the application.
• Pros: There is a study showing that social login increases registration by 90%.
• Pros: The users don’t have to remember several passwords.
• Cons: sharing of personal information. Unclear sharing authorizations.
• Cons: Dependency on the social media account providers.
• Cons: Password leakage can be a disaster.