| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicle network monitoring device capable of keeping high security of a vehicle network through monitoring data taken into the vehicle network without need of a complicated constitution in particular.SOLUTION: The vehicle network is provided with a vehicle-mounted controller 50 for monitoring which detects improper data through monitoring a data communication form regulated in operation of a communication protocol used in the vehicle network. When detecting improper data different from the regulated communication form, the vehicle-mounted controller 50 for monitoring transmits warning information to respective vehicle-mounted controllers 11 to 13, 21 to 23, and 31 to 33 and prohibits routing of the improper data via gateways 41 and 42. |
