To provide a data analysis device capable of detecting even an advanced attack with higher accuracy.SOLUTION: A data analysis server 200 to provide a function of a data analysis device comprises: a data acquisition unit 210 that acquires a plurality of abnormal analysis results each including information specifying abnormal data for a first vehicle and a second vehicle on which an in-vehicle network including one or more buses is mounted. The data analysis server also comprises a related electronic control unit (ECU) specification unit 250 configured to: specify, for each of the first vehicle and the second vehicle, a primary ECU having high relevance to the abnormal data among ECUs connected to the in-vehicle network; specify, as a secondary ECU group, ECUs connected to a bus that is connected to the primary ECU among the one or more buses; and specify, as an abnormality-related ECU, an ECU satisfying a prescribed condition and included in both the secondary ECU group specified for the first vehicle and the secondary ECU group specified for the second vehicle.SELECTED DRAWING: Figure 4

    【課題】高度化した攻撃であってもより高い精度で検知することができるデータ解析装置を提供する。【解決手段】データ解析装置の機能を提供するデータ解析サーバ200は、1本以上のバスを含む車載ネットワークを搭載する第一車両及び第二車両の異常データを特定する情報をそれぞれ含む複数の異常解析結果を取得するデータ取得部210と、第一車両及び第二車両のそれぞれについて、車載ネットワークに接続されるECU(Electronic Control Unit)のうち、異常データと関連度の高い一次ECUを特定し、1本以上のバスのうち、一次ECUが接続されているバスに接続されているECUを二次ECU群として特定し、第一車両について特定された二次ECU群及び第二車両について特定された二次ECU群のいずれにも含まれる、所定の条件を満たすECUを異常関連ECUとして特定する関連ECU特定部250とを備える。【選択図】図4


    Access

    Download


    Export, share and cite



    Title :

    DATA ANALYSIS DEVICE AND PROGRAM


    Additional title:

    データ解析装置及びプログラム


    Contributors:

    Publication date :

    2019-08-01


    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 / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



    DATA ANALYSIS DEVICE AND PROGRAM

    SASAKI TAKAMITSU | European Patent Office | 2021

    Free access

    DATA ANALYSIS DEVICE AND PROGRAM

    SASAKI TAKAMITSU / TAKAHASHI RYOTA / HAGA TOMOYUKI | European Patent Office | 2019

    Free access

    DATA ANALYSIS DEVICE AND PROGRAM

    SASAKI TAKAMITSU | European Patent Office | 2019

    Free access

    DATA ANALYSIS DEVICE AND PROGRAM

    SASAKI TAKAMITSU | European Patent Office | 2019

    Free access

    DATA ANALYSIS DEVICE AND PROGRAM

    SASAKI TAKAMITSU / TAKAHASHI RYOTA / HAGA TOMOYUKI | European Patent Office | 2022

    Free access