1. What Spring Security Does ?. Spring Security helps you control who can access your application and what they can do. 1. Authentication (Who are you?) 2. Authorization (What can you do?) 3. Protection Against Attacks Spring Security includes built-in defenses for: if you want to learn the default behavior of spring security , default spring security. 2. What is anyRequest() anyRequest() is a matcher that applies to all remaining HTTP requests that have not been matched by previous rules. 3.What is permitAll() permitAll() allows unrestricted access to a resource , no authentication required — anyone can access . we can permit all the requests coming towards our web applications…