4.7 Article

Threat Analysis for Automotive CAN Networks: A GAN Model-Based Intrusion Detection Technique

Journal

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TITS.2021.3055351

Keywords

Automotive networks; deep learning; intrusion detection; threat analysis

Funding

  1. National Natural Science Foundation of China [61932010, 61972139, 61672217, 61702172]
  2. Open Research Project of the Electronic Information and Control of Fujian University Engineering Research Center, Minjiang University, China [MJXY-KF-EIC1902]
  3. Fundamental Research Funds for the Central Universities, Hunan University, China

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With the advancement of Internet of vehicles and autonomous driving technologies, automotive Controller Area Networks (CAN) face various security threats. A enhanced deep learning GAN model is proposed to address this issue, which improves detection accuracy of data tampering threat by designing elaborate CAN message blocks and enhancing GAN discriminator.
With the rapid development of Internet of vehicles, connected vehicles, autonomous vehicles, and autonomous driving technologies, automotive Controller Area Networks (CAN) have suffered from numerous security threats. Deep learning models are the current mainstream intrusion detection techniques for threat analysis, and the state-of-the-art intrusion detection technique introduces the Generative Adversarial Networks (GAN) model to generate usable attacked samples to supplement the training samples, but it exists the limitations of rough CAN message block construction and fails to detect the data tampering threat. Based on the CAN communication matrix defined by the automotive Original Equipment Manufacturer (OEM) for a vehicle model, we propose an enhanced deep learning GAN model with elaborate CAN message blocks and the enhanced GAN discriminator. The elaborate CAN message blocks in the training samples can precisely reflect the real generated CAN message blocks in the detection phase. The GAN discriminator can detect whether each message has suffered from the data tampering threat. Experimental results illustrate that the enhanced deep learning GAN model has higher detection accuracy, recall, and F1 scores than the state-of-the-art deep learning GAN model under various attacks and threats.

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