DEVICE AND METHOD FOR DETECTING A FRAUDULENT FINANCIAL TRANSACTION

A device and a method for detecting a fraudulent financial transaction in an in-vehicle payment may include a processor that detects the fraudulent financial transaction in the in-vehicle payment based on at least one of a vehicle location, the number of vehicle occupants, a state of a communication network, a vehicle speed, whether a fingerprint authentication module is mounted, a state of a battery, a user account, and/or information on the in-vehicle payment when the in-vehicle payment is requested from a vehicle providing an in-vehicle payment function. An effect of strengthening security of the in-vehicle payment by detecting the fraudulent financial transaction in the in-vehicle payment may be provided.