INFORMATION PROCESSING SYSTEM, CONTROL METHOD OF INFORMATION PROCESSING SYSTEM, AND STORAGE MEDIUM

原文（中国語）

An information processing system configured to detect tampering of vehicle data, the information processing system comprising: a vehicle data acquisition unit configured to acquire first vehicle data and second vehicle data; a first tampering detection unit configured to detect a tampering possibility of the vehicle data, based on the first vehicle data and the second vehicle data; and a second tampering detection unit configured to detect tampering of the first vehicle data, based on first evaluation data for evaluating the first vehicle data, and also configured to detect tampering of the second vehicle data, based on second evaluation data for evaluating the second vehicle data, in a case where the first tampering detection unit detects that there is the tampering possibility.