Spring Security Third Edition Secure Your Web Applications Restful Services And Microservice Architectures Direct

// Simplified from Chapter 11 JwtAuthenticationToken token = ...; Set<String> allowedScopes = getScopesForCurrentService(); Jwt trimmedJwt = JwtHelper.trimScopes(token.getToken(), allowedScopes); This way, payment-service never sees scopes like profile:write – reducing lateral movement risk if compromised. The third edition isn’t about adding more filters. It’s about understanding where authorization actually happens – at the method level, between services, and even inside SQL queries (using Spring Data’s @PostFilter sparingly, as the book warns).

Let’s explore three counterintuitive lessons from the book that will change how you think about securing modern applications. The book opens with a provocative claim: Most developers misuse stateless authentication. // Simplified from Chapter 11 JwtAuthenticationToken token =

Consider this common pattern: