Explore advanced authentication techniques and user verification strategies for web applications in this GOTO 2013 conference talk. Delve into the critical questions developers should ask users to enhance security and prevent unwanted activities. Learn how to implement robust authentication processes that go beyond simple username and password combinations, without compromising user experience. Discover methods to identify and mitigate potential fraud, abuse, and unauthorized access attempts. Gain insights from Aaron Bedra, Application Security Lead at Braintree, as he shares practical approaches to strengthen your web application's security posture and ensure that only legitimate users can access your services.