A Federated Network Intrusion Detection System with Multi-Branch Network and Vertical Blocking Aggregation

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Abstract

The rapid development of cloud–fog–edge computing and mobile devices has led to massive amounts of data being generated. Also, artificial intelligence technology, like machine learning and deep learning, is widely used to mine the value of the data. Specifically, detecting attacks on the cloud–fog–edge computing system using mobile devices is essential. External attacks on network press organizations led to anomaly flow in network traffic. The network intrusion detection system (NIDS) has been an effective method for detecting anomaly flow. However, the NIDS is hard to deploy in distributed networks because network flow data are kept private. Existing methods cannot obtain an accurate NIDS under such a federated scenario. To construct an NIDS while preserving data privacy, we propose a combined model that integrates binary classifiers into a whole network based on simple classifier networks to specify the type of attack on anomalous data and offer instruction to other security system components. We also introduce federated learning (FL) methods into our system and design a new aggregation algorithm named vertical blocking aggregation (FedVB) according to our model structure. Our experiments demonstrate that our system can be more effective than simple multi-classifiers in terms of accuracy and significantly reduce communication and computation overhead when applying FedVB.

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APA

Wang, Y., Zheng, W., Liu, Z., Wang, J., Shi, H., Gu, M., & Di, Y. (2023). A Federated Network Intrusion Detection System with Multi-Branch Network and Vertical Blocking Aggregation. Electronics (Switzerland), 12(19). https://doi.org/10.3390/electronics12194049

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