Netinfo Security ›› 2025, Vol. 25 ›› Issue (5): 689-699.doi: 10.3969/j.issn.1671-1122.2025.05.002

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An Intelligent Detection Method for IEC 61850 Network Attacks Incorporating Temporal and Sequence Features

LI Jun’e1,2(), MA Ziyu1,2, LU Qiuyu1,2, YU Kailong1,2   

  1. 1. School of Cyber Science and Engineering, Wuhan University, Wuhan 430072, China
    2. Key Laboratory of Aerospace Information Security and Trusted Computing of Ministry of Education, Wuhan University, Wuhan 430072, China
  • Received:2024-07-04 Online:2025-05-10 Published:2025-06-10

Abstract:

The current intelligent detection methods for IEC 61850 network attacks consider the temporal and sequence features between messages insuficiently and lack of interpretability. To address this issue, an intelligent detection method for IEC 61850 network attacks Incorporating Temporal and sequence features was proposed. Field features and sequence features were extracted with the use of sliding window. The improved AlexNet with optimized activation function, batch normalization algorithm and less dimension of the full connection layers was used as the detection model. Class activation picture generated by gradient-weighted class activation mapping was used for the result interpretation. The experimental results in defediry IEC 61850 network attacks show that the proposed method has a higher accuracy than current methods and can generate class activation pictures with result-related feature markers, which can help to determine the reliability of the result and grasp the details of the attack features.

Key words: IEC 61850, network attack detection, message feature, improved AlexNet, interpretability

CLC Number: