Edward Henriquez's podcast episode, "Decoded: Web Application Hacking," uses "The Web Application Hacker’s Handbook" as a foundation to explore prevalent web application attacks. The episode introduces fundamental concepts and then examines specific vulnerabilities, such as SQL injection, cross-site scripting (XSS), cross-site request forgery (CSRF), and command injection, explaining how these attacks are executed and their potential impact. For each attack type, Henriquez provides illustrative scenarios and outlines key defense strategies. The podcast concludes by emphasizing the continuous nature of web security and the importance of proactive measures like secure development practices and penetration testing.