Explore fraud detection and real-time trust decisions in this 47-minute conference talk from BSidesSF 2016. Delve into the world of credit card fraud, its history, and classic attack methods like reshipping. Learn about the assumptions behind fraud detection, the use of relationship graphs, and the application of machine learning in combating fraudulent activities. Gain valuable insights into lessons learned and security considerations in the field of fraud prevention. Conclude with a Q&A session to further understand the complexities of real-time trust decisions in the digital age.