Patent ID: 11924726
Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 6:
7. A method of providing an application program to an in-vehicle control device installed on a vehicle from an information processing device external to the vehicle, the method comprising:
receiving, by the in-vehicle control device, a communication frame;
determining, by the in-vehicle control device, whether there is an unauthorized intrusion from outside the in-vehicle control device based on the communication frame and a first rule;
in response to determining that there is the unauthorized intrusion, executing, by the in-vehicle control device, intrusion prevention processing by isolating the communication frame;
notifying, by the in-vehicle control device, the information processing device of the first rule and equipment information of the vehicle;
generating, by the information processing device, an updated second rule based on the first rule and the equipment information acquired by the information processing device;
providing, by the information processing device to the in-vehicle control device, an application program and the updated second rule; and
updating, by the in-vehicle control device, the first rule to the updated second rule.