This document discusses an introduction to using OWASP ZAP, an open source web application security scanning tool. It provides an overview of ZAP's capabilities and principles, including that it is free, open source, and designed to be easy to use for both beginners and professionals. The document then demonstrates several features of ZAP through practical examples, such as using the quick start feature to scan a target site, configuring the browser as a proxy, and intercepting requests and responses. It concludes with potential topics to cover in future sessions, and invites questions from the audience.