ABNORMALITY DETECTION METHOD, ABNORMALITY DETECTION DEVICE, AND PROGRAM

An anomaly detection method for detecting an anomaly in an in-vehicle network of an in-vehicle network system including a plurality of electronic control units that transmit and receive messages via the network includes: generating image data of a reception interval between a plurality of messages i...

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Bibliographische Detailangaben
Hauptverfasser:	ROZARIO, Timothy Michael Gerard, NGUYEN, Bao Quoc, TRAN, Thang Phuc, TASAKI, Hajime, HAGA, Tomoyuki, NGUYEN, Christopher, VU, Nhan Lam Chi, USHIO, Takashi, NGUYEN, Zooey, MAI, An Hoang Bao, SASAKI, Takamitsu, CHUN, Taejin, PHAM, Khang An, TRINH, Hai-Anh
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CALCULATING COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	An anomaly detection method for detecting an anomaly in an in-vehicle network of an in-vehicle network system including a plurality of electronic control units that transmit and receive messages via the network includes: generating image data of a reception interval between a plurality of messages included in a message sequence in a predetermined period out of a message sequence received from the in-vehicle network, or image data of a transition of a sensor value of the plurality of messages (S11); classifying the image data using a trained CNN according to whether an attack message has been inserted in the predetermined period (S12); and when the attack message has been inserted in the predetermined period (Yes in S13), outputting a detection result indicating that an insertion attack which is an insertion of the attack message has been made in the predetermined period (S14).