Dive deep into the architectural intricacies of Spring Security in this 52-minute conference talk from Spring I/O 2017 in Barcelona. Explore the core components of authentication and authorization, gaining valuable insights into the inner workings of Spring Security. Follow along as Joe Grandja demonstrates various real-world scenarios, empowering you with a comprehensive understanding of user databases, authentication filters, UserDetails services, security contexts, and access decision processes. Learn about exception handling, unauthenticated user management, and the Spring Security filter chain, equipping yourself with the knowledge to implement robust security measures in your Spring applications.