Through real world business scenarios, developers will learn to protect their web applications from attacks using Spring Security 3 and implement basic authorization and credential storage. Readers will be introduced to basic fundamentals of Spring Security 3 like setup and configuration as well as security concepts and techniques. They will learn to combine Spring Security 3 with external security providers like LDAP, OpenID, CAS, Kerberos, and Active Directory along with integrating applications and Java frameworks with Spring Security 3.