Definition
Federated Identity is a system that allows users to use the same credentials to access resources across multiple independent organizations or domains by establishing trust relationships between identity providers.
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Related Terms
Single Sign-On
Single Sign-On (SSO) is an authentication method that allows users to access multiple applications and services with one set of login credentials. SSO improves user experience, reduces password fatigue, and centralizes authentication management.
SAML
Security Assertion Markup Language (SAML) is an XML-based open standard for exchanging authentication and authorization data between an identity provider and a service provider, enabling single sign-on across domains.
OAuth
OAuth is an open authorization framework that allows third-party applications to access user resources without exposing credentials, using token-based delegated access instead of sharing passwords.
OpenID Connect
OpenID Connect (OIDC) is an identity layer built on top of OAuth 2.0 that allows applications to verify user identity and obtain basic profile information through a standardized authentication protocol.
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