ON-BOARD SECURE STORAGE SYSTEM

The present disclosure provides an on-board secure storage system capable of easily and quickly detecting unauthorized access to a storage device and a failure of the storage device, and appropriately using the detection result. the on-board secure storage system includes the storage device that has a controller, a non-volatile memory and an interface, and an electronic control unit that electronically controls a vehicle. After determining that unauthorized access or a failure occurs in the non-volatile memory, the controller performs predetermined processing according to the type of the unauthorized access or failure.