NYC subway security flaw makes it possible to track riders’ journeys

The contactless payment system for New York City’s subways has a security hole. Anyone with access to someone’s credit card number can see when and where they entered the city’s underground transit during the last seven days. The problem lies in a “feature” on the website for OMNY, the tap-to-pay system for the Metropolitan Transportation Authority (MTA), which allows you to view your recent ride history using only credit card