Understanding the Differences Between OAuth2 and OpenID Connect (OIDC)

OAuth2 authorizes access and OIDC authenticates users. Learn their key differences and use cases

In the world of modern application security, OAuth2 and OpenID Connect (OIDC) play critical roles in authentication and authorization. While the two protocols often work hand-in-hand, they serve distinct purposes. Misunderstanding their differences can lead to implementation pitfalls, so let’s break it down in a straightforward way.

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