Don't let security be an afterthought. Spring Security in Action, Second Edition is your vital companion to robust, secure applications that are protected right from the first line of code.

Spring Security in Action, Second Edition is a revised version of the bestselling original, fully updated for Spring Boot 3 and Oauth2/OpenID Connect.

In Spring Security in Action, Second Edition you will learn essential security skills including how to:

• Implement and customize authentication and authorization
• Set up all components of an OAuth2/OpenID Connect system
• Utilize CRSF and CORS configurations
• Secure Spring reactive applications
• Write tests for security configurations

Whether you’re a beginner or a pro, Spring Security in Action, Second Edition teaches you how to secure your Java applications from the ground up. Author Laurențiu Spilcă distills his years of experience as a skilled Java and Spring developer into an indispensable guide to everything security—from authentication and authorization, to testing security configurations. This new edition covers the latest patterns for application-level security in Spring apps, demonstrating how Spring Security simplifies every step of the security process.