ON-VEHICLE SECURITY MEASURE DEVICE, ON-VEHICLE SECURITY MEASURE METHOD, AND SECURITY MEASURE SYSTEM

摘要

An on-vehicle security measure device 10 includes: a log collection means 11 for collecting communication logs; a log analysis means 12 for analyzing the collected communication logs; and a control means 13 for causing a warning means to issue a warming when it is determined that an error occurrence frequency exceeds a prescribed threshold value as a result of the analysis of the communication logs by the log analysis means 12, and cuts off a communication path where an error has occurred when the state where the error occurrence frequency exceeds the threshold value continues after the issuance of the warning by the warning means.