This introduction is pretty simple and concise to just understand what it is: https://www.cloudflare.com/learning/access-management/what-is-oauth/ https://www.c

This introduction is pretty simple and concise to just understand what it is: https://www.cloudflare.com/learning/access-management/what-is-oauth/ https://www.cloudflare.com/learning/access-management/what-i... Follow that up with this SAML and OAuth comparison: https://www.ubisecure.com/uncategorized/difference-between-saml-and-oauth/ https://www.ubisecure.com/uncategorized/difference-between-s... Then see how OpenID Connect fits in: https://www.okta.com/identity-101/whats-the-difference-between-oauth-openid-connect-and-saml/ https://www.okta.com/identity-101/whats-the-difference-betwe... https://www.gluu.org/blog/oauth-vs-saml-vs-openid-connect/ https://www.gluu.org/blog/oauth-vs-saml-vs-openid-connect/ And this page shows examples of a web app using OAuth2: https://connect2id.com/learn/oauth-2 https://connect2id.com/learn/oauth-2