<ul><li>OAuth2 and JWT have become the standard for securing APIs in modern applications.</li><li>Proper validation of JWTs is crucial for security and performance in Spring Security resource servers.</li><li>Configuration involves setting up JwtDecoder, introspecting tokens, and enforcing scopes for robust authorization.</li><li>Best practices include using JWTs when possible, careful scope mapping, and regular key rotation for secure APIs.</li></ul>

Spring Security + OAuth2 Resource Server: How to Validate JWTs Like a Pro

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