Learn how to implement Spring Security in this comprehensive tutorial. Create a simple authentication system using basic auth and JWT, starting with bootstrapping the app and creating an API. Explore form login, basic authentication, and JWT authentication concepts before implementing each. Set up JWT authentication filters, utils classes, and configure Spring to use them. Implement a user details service, add authentication provider beans, and manage session creation policies. Build an authentication controller, refine the code, and thoroughly test the application. Perfect for developers looking to secure their Java applications with Spring Security.