OpenID Connect (OIDC)

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OpenID Connect (OIDC) is an authentication protocol built on OAuth 2.0, enabling identity verification and access to user information via JWT-based tokens. It supports Single Sign-On (SSO) and multiple authentication flows, including Authorization Code Flow and CIBA. Keycloak leverages OIDC for identity federation, session management, and role mapping, offering secure authentication for web and mobile applications. OIDC enhances Zero Trust security by continuously verifying user identities while ensuring seamless integration across modern authentication frameworks.

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