Java authorization internals (IBM developerWorks)
Abhijit Belapurkar
explains Java authorization on IBM's devloperWorks.
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If you're the type who needs to know how a technology works from the inside out in order to use it effectively, you'll jump on this guided tour of the Java platform's authorization architectures. Follow along as Java architect Abhijit Belapurkar leads this detailed, behind-the-scenes introduction to two distinctly different (yet related) models of authorization: the code-centric model of the Java 2 platform security architecture and the user-centric model of the Java Authentication and Authorization Service."