The highly successful security book returns with a new edition completely updated Web applications are the front door to most organizations exposing them to attacks that may disclose personal information execute fraudulent transactions or compromise ordinary users. This practical book has been completely updated & revised to discuss the latest step-by-step techniques for attacking & defending the range of ever-evolving web applications. You'll explore the various new technologies employed in web applications that have appeared since the first edition & review the new attack techniques that have been developed particularly in relation to the client side. Reveals how to overcome the new technologies & techniques aimed at defending web applications against attacks that have appeared since the previous edition Discusses new remoting frameworks HTML5 cross-domain integration techniques UI redress framebusting HTTP parameter pollution hybrid file attacks & more Features a companion web site hosted by the authors that allows readers to try out the attacks described gives answers to the questions that are posed at the end of each chapter & provides a summarized methodology & checklist of tasks Focusing on the areas of web application security where things have changed in recent years this book is the most current resource on the critical topic of discovering exploiting & preventing web application security flaws.