Explore the vulnerabilities in fraud and bot detection solutions in this 52-minute conference talk from APPSEC Cali 2018. Delve into browser fingerprinting and user behavior tracking techniques, understanding their implementation as JavaScript snippets in user browsers. Discover why these signals are unreliable and learn about potential attacks against defenses that rely on them. Witness demonstrations of proof-of-concept attacks as presented by Mayank Dhiman, Principal Security Researcher at Stealth Security. Gain insights into online fraud and internet abuse mitigation, with a focus on detecting and countering malicious automation attacks. Cover topics such as deployment models, attacker goals, fundamental issues in sensor data, browser fingerprinting techniques, and user behavior analysis. Understand the limitations of current anti-fraud measures and explore strategies to enhance security in web applications.