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

Claim 3:
4. A vehicle network system comprising:
an in-vehicle control device comprising:
a vehicle-side communication device that is installed on a vehicle and that is configured to perform communication with at least an information processing device external to the vehicle, and
a first processor configured to:
receive a communication frame,
determine whether there is an unauthorized intrusion from outside the vehicle-side communication device based on the communication frame and a first rule,
in response to determining that there is the unauthorized intrusion, execute intrusion prevention processing by isolating the communication frame,
notify the information processing device of the first rule and equipment information of the vehicle,
acquire an application program and a second rule that has been updated based on the notified first rule and the equipment information from the information processing device, and
update the first rule to the updated second rule; and

the information processing device configured to perform the communication with the vehicle-side communication device, the information processing device comprising a second processor configured to:
collect the first rule and the equipment information from the in-vehicle control device,
generate the second rule that has been updated based on the collected first rule and the equipment information, and
provide the application program and the generated updated second rule to the in-vehicle control device.