In an unauthorized activity detection method in an onboard network system, whether or not a message sent out onto the network is an attack message is determined, information relating to the attack message is saved in the memory in a case where the message is an attack message, a communication pattern is identified from information relating to the attack message, and whether or not the message matches a communication pattern is determined. The determination of whether an attack message and determination of whether matching a communication pattern are executed on each of a plurality of messages received from the network, and in the determining of whether an attack message executed on a message received after executing of determining of whether matching a communication pattern, results of the determination of whether an attack message that has already be executed are used.


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    Title :

    METHOD FOR DETECTING UNAUTHORIZED COMMUNICATION, SYSTEM FOR DETECTING UNAUTHORIZED COMMUNICATION, AND PROGRAM


    Additional title:

    VERFAHREN ZUR ERKENNUNG NICHT AUTORISIERTER KOMMUNIKATION, SYSTEM ZUR ERKENNUNG NICHT AUTORISIERTER KOMMUNIKATION UND PROGRAMM
    PROCÉDÉ DE DÉTECTION DE COMMUNICATION NON AUTORISÉE, SYSTÈME DE DÉTECTION DE COMMUNICATION NON AUTORISÉE, ET PROGRAMME ASSOCIÉ


    Contributors:

    Publication date :

    2020-04-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    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



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