To provide a vehicle abnormality detection device that detects a cyber attack on an in-vehicle network more reliably.SOLUTION: A vehicle abnormality detection device 10 includes: an acquisition unit 110 that acquires vehicle data indicating the correspondence between a position of a vehicle to be determined and an operating state; a verification unit 120 that searches a vehicle operation log 200 including the correspondence between past positions of a plurality of vehicles 20 and the operating states at the past positions for a record of related operations related to the correspondence between the position of the vehicle to be determined and its operating state, and determines as to whether or not the operating state of the vehicle to be determined is abnormal based on the amount of the record of related operations found; and a notification unit 140 that outputs information regarding the determination result when the operating state of the vehicle to be determined is determined to abnormal.SELECTED DRAWING: Figure 1
【課題】車載ネットワークへのサイバー攻撃をより確実に検知する車両異常検知装置を提供する。【解決手段】車両異常検知装置10は、判定対象車両の位置と動作状態との対応付けを示す車両データを取得する取得部110と、複数の車両20の過去の位置と過去の位置における動作状態との対応付けを含む車両動作ログ200で、判定対象車両の位置と判定対象車両の動作状態との対応付けに関連する関連動作の実績を検索し、見つかった関連動作の実績の量に基づいて、判定対象車両の動作状態に異常があるか否かについての判定を実行する検証部120と、判定対象車両の動作状態に異常があると判定された場合、当該判定の結果に関する情報を出力する通知部140とを備える。【選択図】図1
VEHICLE ABNORMALITY DETECTION DEVICE, VEHICLE ABNORMALITY DETECTION SYSTEM, AND PROGRAM
車両異常検知装置、車両異常検知システム及びプログラム
2020-10-08
Patent
Electronic Resource
Japanese
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