https://www.cnet.com/news/uber-fights-off-scammers-every-day-heres-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.

Using stolen credit cards, scammers would run efficient schemes to pull as much money out of Uber as they could. The methods included using GPS-spoofing apps, as well as messaging boards and chat rooms offering fake discounts on rides, luring numerous victims over the years, Uber said.