To provide a detector, detection method and detection program capable of detecting unauthorized messages in an on-vehicle network precisely.SOLUTION: A detector for detecting unauthorized messages in an on-vehicle network loaded to a vehicle includes a message acquisition section for acquiring one or more than one transmission messages in the on-vehicle network, a data acquisition section for acquiring multiple types of dataset corresponding to the same time, included in the transmission messages acquired by the message acquisition section, a storage section for storing previously created detection conditions based on the multiple times, respectively, and a detector for detecting the unauthorized messages based on the set acquired by the data acquisition section, and the detection conditions.SELECTED DRAWING: Figure 3

    【課題】車載ネットワークにおける不正メッセージを正しく検知することが可能な検知装置、検知方法および検知プログラムを提供する。【解決手段】検知装置は、車両に搭載される車載ネットワークにおける不正メッセージを検知する検知装置であって、前記車載ネットワークにおける1または複数の送信メッセージを取得するメッセージ取得部と、前記メッセージ取得部によって取得された前記送信メッセージに含まれる、同じ時刻に対応する複数種類のデータの組を取得するデータ取得部と、予め作成された、複数の時刻にそれぞれ対応する複数の前記組に基づく検出条件を記憶する記憶部と、前記データ取得部によって取得された前記組、および前記検出条件に基づいて前記不正メッセージを検知する検知部とを備える。【選択図】図3


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    Title :

    DETECTOR, DETECTION METHOD AND DETECTION PROGRAM


    Additional title:

    検知装置、検知方法および検知プログラム


    Contributors:

    Publication date :

    2019-02-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr / H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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