OAuth2 is a widely used protocol for authorization. Spring Security provides excellent support for implementing OAuth2 in your Spring Boot applications.
OAuth2 Basics
OAuth2 is an authorization framework that enables third-party applications to obtain limited access to a user’s account on an HTTP service.
Implementation with Spring Security
Spring Security makes it easy to implement OAuth2 in your Spring Boot applications.
Conclusion
OAuth2 with Spring Security provides a robust solution for authentication and authorization in modern applications.