Security is driven by requirement and design and we implement security on the basis of the requirements provided by analysts. In this book, we take a programmatic approach to understand Java EE and GlassFish security.You will find plenty of code samples in this book. It is easy to secure your application when you have a demonstration of a complete and working application explained in the book, isn’t it? Each chapter starts with the importance and relevance of the topic by introducing some Java EE applications requirement, which will encourage you to read it further.This book is for application designers, developers and administrators who work with GlassFish and are keen to understand Java EE and GlassFish security.To take full advantage of this book, you need to be familiar with Java EE and GlassFish application servers. You will love this book if you are looking for a book that covers Java EE security and using GlassFish features to create secure Java EE applications, or to secure the GlassFish installation and operating environment and using OpenSSO.