From CNET, June 14th, 2018: Uber fights off scammers every day. Here's how it learned the tricks For a while, scammers have been getting away with fake rides on Uber, lining their own pockets with money from stolen credit cards, the company said. ... Uber has been using machine-learning tools to keep pace with the crooks, relying on data coming in from millions of people using the app every day. Ting Chen, Uber's data science manager, said it has more than 600 different signals as red flags warning it of new scams. See link to complete article above. Also, there is a video on how Uber detects GPS spoofing: I suspect this is old news, and Uber has moved on (as have the fraudsters) to new techniques ... I wouldn't expect Uber to reveal their bleeding-edge scam abatement tech. Still, it's an interesting read IMO.