<ul><li>Stateless authentication with Spring Security and JWT remains popular for securing REST APIs in 2025.</li><li>JWT enables stateless authentication and allows clients to carry user identity and permissions in an encrypted token.</li><li>Key components include project setup with Java 21+, Spring Boot 3.2+, and Spring Security 6+ along with JWT utility class and JWT filter setup.</li><li>Best practices for 2025 include using short-lived access tokens, long-lived refresh tokens, enabling CORS/CSRF protection, and implementing token revocation logic.</li></ul>

How to Secure REST APIs with Spring Security and JWT (2025 Edition)

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