https://devops-monk.com/tags/oidc/Recent content in Oidc on Devops MonkHugoen-usMon, 04 May 2026 00:00:00 +0000https://devops-monk.com/tutorials/spring-security/oauth2-fundamentals/Mon, 04 May 2026 00:00:00 +0000https://devops-monk.com/tutorials/spring-security/oauth2-fundamentals/OAuth2 in One Sentence OAuth2 lets a user grant a third-party application limited access to their account on another service — without giving the third party their password. Classic example: “Sign in with Google.” Your app never sees the user’s Google password. Google verifies the user’s identity and gives your app a token with limited permissions. The Four OAuth2 Roles flowchart TD RO["**Resource Owner**\nThe user who owns the data\n(e.g. Alice, the Google account owner)"