# OAuth 2.0 and OpenID Connect

OAuth 2.0 and OpenID Connect (OIDC) are two widely used identity protocols that help users securely authenticate with and delegate permissions to third-party apps. When you log in to a service with Google, Twitter, or GitHub, you're most likely using OIDC!

Here are some resources for learning more about OAuth 2.0 and OIDC:

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Nate Barbettini's short explainer of OAuth and OpenID. If you have more time, he goes into more detail [here](https://www.youtube.com/watch?v=996OiexHze0\&t=2270s\&ab_channel=OktaDev)
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Okta's Illustrated Guide to OAuth and OpenID Connect. If you prefer this content in text, it is also available as an article [here](https://developer.okta.com/blog/2019/10/21/illustrated-guide-to-oauth-and-oidc).
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