--- title: "#oauth2 articles | Hashnode" description: "Explore 250 articles tagged #oauth2 on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/oauth2" --- Tag # #oauth2 250 posts · 25 followers [admincontashare](https://hashnode.com/@contashare) · [2d ago](https://hashnode.com/posts/keep-customer-addresses-current-in-laravel-with-a-sign-in-button-and-a-webhook/6af6be64f63b5d18a755e312) ### [Keep customer addresses current in Laravel with a sign-in button and a webhook](https://contashare.hashnode.dev/keep-customer-addresses-current-in-laravel-with-a-sign-in-button-and-a-webhook?utm_source=hashnode&utm_medium=feed) Add Sign in with ContaShare to a Laravel app with Socialite, then use a signed webhook to fetch a customer's new address when they change it. 6 min read · [contashare.hashnode.dev](https://contashare.hashnode.dev/keep-customer-addresses-current-in-laravel-with-a-sign-in-button-and-a-webhook?utm_source=hashnode&utm_medium=feed) [Mayowa Ogungbola](https://hashnode.com/@Phenzic) · [3d ago](https://hashnode.com/posts/building-shiplogue-made-me-think-differently-about-api-security/6af4fcb2bfd92152d2196e41) ### [Building Shiplogue Made Me Think Differently About API Security](https://phensics.hashnode.dev/building-shiplogue-made-me-think-differently-about-api-security?utm_source=hashnode&utm_medium=feed) What building a cloud-backed developer tool taught me about authentication, authorization, and securing APIs. 5 min read · [phensics.hashnode.dev](https://phensics.hashnode.dev/building-shiplogue-made-me-think-differently-about-api-security?utm_source=hashnode&utm_medium=feed) [RONI DAS](https://hashnode.com/@ronidas) · [Nov 2](https://hashnode.com/posts/four-mcp-security-questions-where-the-obvious-answer-fails-the-interview/6ae805c11dc9ab68c9c30c11) ### [Four MCP Security Questions Where the Obvious Answer Fails the Interview](https://systemdesignacademy.hashnode.dev/four-mcp-security-questions-where-the-obvious-answer-fails-the-interview?utm_source=hashnode&utm_medium=feed) A poisoned GitHub issue, a token sent to the wrong server, a forwarded GitHub token and a tool description that changed after approval: MCP interview questions answered the way a security reviewer would. 10 min read · [systemdesignacademy.hashnode.dev](https://systemdesignacademy.hashnode.dev/four-mcp-security-questions-where-the-obvious-answer-fails-the-interview?utm_source=hashnode&utm_medium=feed) [kamal aboueid](https://hashnode.com/@kamalaboueidd) · [Oct 8](https://hashnode.com/posts/demystifying-oauth-2-0-and-openid-connect/6ac7ef79ab2c7ba69162edd4) ### [Demystifying OAuth 2.0 and OpenID Connect](https://kamalaboueid.hashnode.dev/demystifying-oauth-2-0-and-openid-connect?utm_source=hashnode&utm_medium=feed) Learn OAuth 2.0 and OpenID Connect architecture: why they exist, token mechanics, and the secure Authorization Code flow. 6 min read · [kamalaboueid.hashnode.dev](https://kamalaboueid.hashnode.dev/demystifying-oauth-2-0-and-openid-connect?utm_source=hashnode&utm_medium=feed) [Satyajit Mishra](https://hashnode.com/@satyajitmishra) · [Oct 7](https://hashnode.com/posts/spring-security-explained-understanding-authentication-jwt-and-oauth2-from-the-inside-out/6ac640e7fb25c5af0ca2ab84) ### [Spring Security Explained: Understanding Authentication, JWT, and OAuth2 from the Inside Out](https://blogs.satyajitmishra.me/spring-security-explained-understanding-authentication-jwt-and-oauth2-from-the-inside-out?utm_source=hashnode&utm_medium=feed) Learn how Spring Security works internally with Authentication, Authorization, JWT, OAuth2, Security Filter Chain, and real-world request flows. 8 min read · [blogs.satyajitmishra.me](https://blogs.satyajitmishra.me/spring-security-explained-understanding-authentication-jwt-and-oauth2-from-the-inside-out?utm_source=hashnode&utm_medium=feed) [Ayush Jain](https://hashnode.com/@ayushjjainn) · [Sep 19](https://hashnode.com/posts/password-hashing-rbac-oauth-openid-connect/6aaf18133747863e7e16414a) ### [Securing Apps: Password Hashing, RBAC, OAuth, and OpenID Connect](https://ayushjjainn.hashnode.dev/password-hashing-rbac-oauth-openid-connect?utm_source=hashnode&utm_medium=feed) How apps really stay secure: password hashing with bcrypt, authentication vs authorization, RBAC, OAuth, and OpenID Connect, explained with Netflix. 44 min read · [ayushjjainn.hashnode.dev](https://ayushjjainn.hashnode.dev/password-hashing-rbac-oauth-openid-connect?utm_source=hashnode&utm_medium=feed) [2](https://hashnode.com/posts/password-hashing-rbac-oauth-openid-connect/6aaf18133747863e7e16414a) [shubhu1953](https://hashnode.com/@shubhu1953) · [Sep 12](https://hashnode.com/posts/oauth-2-0-grant-types-in-azure-which-to-use-and-which-are-dead/6aa58f1292b46191a441b403) ### [OAuth 2.0 Grant Types in Azure: Which to Use, and Which Are Dead](https://shubhankarsarkar.hashnode.dev/oauth-2-0-grant-types-in-azure-which-to-use-and-which-are-dead?utm_source=hashnode&utm_medium=feed) Authorization code with PKCE, client credentials, on-behalf-of — and the two flows to stop reaching for. 6 min read · [shubhankarsarkar.hashnode.dev](https://shubhankarsarkar.hashnode.dev/oauth-2-0-grant-types-in-azure-which-to-use-and-which-are-dead?utm_source=hashnode&utm_medium=feed) [Ved Pandey](https://hashnode.com/@Ved-Pandey) · [Aug 21](https://hashnode.com/posts/master-application-security/6a8829b3e86a870894b5f288) ### [Master Application Security](https://vedpandeydev.hashnode.dev/master-application-security?utm_source=hashnode&utm_medium=feed) A Guide on Security in Web Applications It covers aspects like Why to secure apps, Hashing Passwords, RBAC, OAuth, OIDC and Security Best Practices 17 min read · [vedpandeydev.hashnode.dev](https://vedpandeydev.hashnode.dev/master-application-security?utm_source=hashnode&utm_medium=feed) [rathsara](https://hashnode.com/@rathsara) · [Aug 14](https://hashnode.com/posts/understanding-oauth-2-0/6a7ef20d4ba915c7155a3b9a) ### [Understanding OAuth 2.0: Delegation, Grant Types, and the Attacks That Actually Happen](https://rr-cyber.hashnode.dev/understanding-oauth-2-0?utm_source=hashnode&utm_medium=feed) The last article closed the gap on JOSE, tokens and signatures, the parts that make everything else possible. This one is about OAuth 2.0, the protocol that finally made those pieces click into place. 31 min read · [rr-cyber.hashnode.dev](https://rr-cyber.hashnode.dev/understanding-oauth-2-0?utm_source=hashnode&utm_medium=feed) [Neel](https://hashnode.com/@ghlexpert) · [Aug 8](https://hashnode.com/posts/gohighlevel-api-v1-vs-v2-a-developer-s-migration-guide/6a779a432dbb69dca4ac4bfd) ### [GoHighLevel API v1 vs v2: A Developer's Migration Guide](https://ghlexpert.hashnode.dev/gohighlevel-api-v1-vs-v2-a-developer-s-migration-guide?utm_source=hashnode&utm_medium=feed) A technical, step-by-step comparison of GoHighLevel API v1 and v2, including OAuth2 setup, token refresh logic, and a practical migration checklist. 5 min read · [ghlexpert.hashnode.dev](https://ghlexpert.hashnode.dev/gohighlevel-api-v1-vs-v2-a-developer-s-migration-guide?utm_source=hashnode&utm_medium=feed)