Backend Aug 5, 2026 12 min read
Spring Security Filter Chain and Authorization Explained
Design ordered Spring Security filter chains, deny-by-default request and method authorization, resource ownership checks, and safe browser boundaries.
Tag
Spring Security
2 articles with this tag. Follow these related notes when you want a narrower study path.
Authentication Jul 25, 2026 7 min read
OAuth Authorization Code Flow Explained
Implement OAuth Authorization Code with PKCE safely in Spring Security and Node.js, including state, callbacks, token exchange, tests, and mistakes.