所在会场:[S5] Data Science and Intelligent Analytics [S5-1] Data Science and Intelligent Analytics
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摘要
With the ever-increasing number of Internet of Medical Things (IoMT) devices, the need to provide secure and efficient network monitoring has become a ethical concern. Conventional Intrusion Detection Systems (IDS) are usually characterized by either excessive computational requirements or inefficiency in real-time settings. The paper will suggest a hybrid anomaly-based Network Intrusion Detection System (NIDS) that combines threshold-based filtering with an Isolation Forest model with an on-demand machine learning activation mechanism. In this strategy, suspicious traffic, determined by statistical thresholds, is only sent to the machine learning phase, which greatly minimizes unnecessary processing. Early testing on the CICIoMT data revealed that it was accurate but low recall in real-time conditions because of the differences between the fixed datasets and the real-time network traffic. To overcome this shortcoming, a simulated IoMT environment was created with virtual devices to create realistic traffic patterns to facilitate better training and testing. The experimental results indicate that the proposed system enhances the performance of real-time detection and decreases the machine learning workload by about 61.9, which is appropriate to be deployed in the resource-constrained IoMT settings
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