Methods and systems of improving security of a computing system having a network of embedded devices are disclosed. The method includes starting a timer of a predetermined length of time, obtaining an expected number of cyclic messages to be received within the predetermined length of time, incrementing a message counter each time a cyclic message is received within the predetermined length of time, incrementing a set counter in response to an actual number of cyclic messages received by the end of the predetermined length of time exceeding the expected number of cyclic messages to be received by a first threshold value, and detecting an intrusion in the system in response to the set counter exceeding a second threshold value by the end of the predetermined length of time.

    公开了提高具有嵌入式装置的网络的计算系统的安全性的方法和系统。所述方法包括以下步骤:启动预定时长的计时器;获得要在预定时长内接收的循环消息的预期数量;每当在预定时长内接收到循环消息时就使消息计数器递增;响应于在预定时长结束时接收到的循环消息的实际数量超过要接收的循环消息的预期数量达第一阈值,使设定计数器递增;以及响应于在预定时长结束时设定计数器超过第二阈值,检测系统中的侵入。


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    Title :

    METHOD AND SYSTEM FOR DETECTING INTRUSION IN A VEHICLE SYSTEM


    Additional title:

    用于检测车辆系统中的侵入的方法和系统


    Contributors:

    Publication date :

    2021-12-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    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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