Design and develop Spring applications that are secure right from the start. Spring Security is essential for any Java developer looking to master authentication and authorization in Spring apps. By adopting "secure by design" principles with Spring Security's out-of-the-box features, you can protect your apps from data theft and unauthorized intrusions. Spring Security in Action, Second Edition reveals the Spring Security techniques and tools you need to defend your apps against attack. In this book, author Lauren?iu Spilc?, a skilled Java and Spring developer, will teach you how to build your own authorization server, manage system users, configure secure endpoints, and prevent cross-site scripting and request forgery attacks. This new second edition delves into the OAuth 2OpenID Connect stack and details SecurityFilterChain for security configuration. Don't let security be an afterthought. Start protecting your apps from the first line of code!