OpenID Connect
OIDC
Assumes familiarity with basic IAM concepts
An identity layer built on top of OAuth 2.0 that allows clients to verify the identity of an end-user and obtain basic profile information using an ID Token.
About OpenID Connect
An identity layer built on top of OAuth 2.0 that allows clients to verify the identity of an end-user and obtain basic profile information using an ID Token. This is a intermediate-level concept in the Authentication, Standards & Protocols domain. Related topics include authentication, api-security, cloud-identity.
Frequently Asked Questions
What is OpenID Connect?
An identity layer built on top of OAuth 2.0 that allows clients to verify the identity of an end-user and obtain basic profile information using an ID Token.
How does OpenID Connect work?
OpenID Connect works by enabling key functionality for identity management, access control, and security. It integrates with other identity components to deliver secure, standards-based workflows in enterprise and consumer applications.
What is OpenID Connect used for?
OpenID Connect is used in digital identity systems to support secure authentication, authorization, and identity lifecycle management. Common use cases include single sign-on, access governance, API security, and regulatory compliance.
What are the benefits of OpenID Connect?
The key benefits of OpenID Connect include improved security posture, streamlined user experience, reduced operational overhead, and better compliance with privacy regulations. Organizations adopting OpenID Connect can achieve stronger access controls and simplified identity management.
OpenID Connect vs oauth-2-0?
While OpenID Connect and oauth-2-0 are related concepts in digital identity, they serve different purposes. OpenID Connect focuses on an identity layer built on top of oauth 2.0 that allows clients to verify the identity of an end-user and obtain basic profile information using an id token, whereas oauth-2-0 addresses a complementary aspect of identity and access management. Understanding both is essential for building comprehensive security architectures.
Related Books
OpenID Connect in Action
Prabath Siriwardena
OpenID Connect in Action
Prabath Siriwardena
OpenID Connect in Action provides a comprehensive, hands-on guide to the OpenID Connect protocol. It covers the core specification, discovery, dynamic registration, session management, and practical integration patterns for securing modern web and mobile applications.
OAuth 2 in Action
Justin Richer
OAuth 2 in Action
Justin Richer, Antonio Sanso
OAuth 2 in Action teaches you the practical use and deployment of OAuth 2 from the perspective of a client, authorization server, and resource server. You'll learn how to build an OAuth 2 ecosystem from scratch, understand the security implications, and implement it correctly in real-world scenarios.
Solving Identity Management in Modern Applications
Yvonne Wilson
Solving Identity Management in Modern Applications
Yvonne Wilson, Abhishek Hingnikar
This book provides a practical guide to identity management for modern applications. It covers the fundamentals of authentication, authorization, OAuth 2.0, OpenID Connect, and SAML 2.0, explaining when and how to use each. The second edition includes updated coverage of passwordless authentication, passkeys, and decentralized identity.
Keycloak - Identity and Access Management for Modern Applications
Stian Thorgersen
Keycloak - Identity and Access Management for Modern Applications
Stian Thorgersen, Pedro Igor Silva
This practical guide covers Keycloak from installation to advanced configuration. Learn how to secure applications using OpenID Connect and OAuth 2.0, configure social login, implement fine-grained authorization, manage users and roles, and integrate Keycloak with existing infrastructure.