IN-VEHICLE NETWORK INTRUSION DETECTION SYSTEM AND METHOD FOR CONTROLLING THE SAME
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United States of America Patent
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Issued Date -
Oct 20, 2016
app pub date -
Dec 4, 2015
filing date -
Apr 17, 2015
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Abstract
A method for detecting intrusion into an in-vehicle network using an intrusion detection system (IDS) of a vehicle includes: receiving messages of the in-vehicle network in a preset cycle, calculating a current count value per message of the received messages, receiving operation state information of the vehicle when the cycle starts, determining a normal count value per message corresponding to the operation state information, calculating a linearly approximated relative distance function per message using the current count value and the normal count value, and determining whether an intrusion state occurs by comparing the calculated linearly approximated relative distance function per message to a preset threshold value.
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