Explore advanced web penetration testing techniques for modern applications in this 52-minute conference talk from Derbycon 2016. Dive into crucial topics such as WebSocket security, Origin Policy, Course Policy, and Global Policy considerations. Learn how to effectively test RESTful APIs and utilize Advanced REST Client tools. Discover key elements to look for during penetration testing and understand the importance of Content Security Policy. Gain insights into Samurai WTF, Samurai VM, and MOBA Sec tools for enhancing your web security testing capabilities.