

This tutorial shows how to install it on any recent version of Ubuntu, like Ubuntu 14.04, 15.04 and 15.10. In other words, how to hack Java web applications. The officially-stated aim is to enable developers to “test vulnerabilities commonly found in Java-based applications that use common and popular open source components”. WebGoat is a deliberately insecure, Java web application designed for the sole purpose of teaching web application security lessons.
