An Insider Threat Detection Method Based on User Behavior Analysis - Intelligent Information Processing IX Access content directly
Conference Papers Year : 2018

An Insider Threat Detection Method Based on User Behavior Analysis

Wei Jiang
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Yuan Tian
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Weixin Liu
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Insider threat has always been an important hidden danger of information system security, and the detection of insider threat is the main concern of information system organizers. Before the anomaly detection, the process of feature extraction often causes a part of information loss, and the detection of insider threats in a single time point often causes false positives. Therefore, this paper proposes a user behavior analysis model, by aggregating user behavior in a period of time, comprehensively characterizing user attributes, and then detecting internal attacks. Firstly, the user behavior characteristics are extracted from the multi-domain features extracted from the audit log, and then the XGBoost algorithm is used to train. The experimental results on a user behavior dataset show that the XGBoost algorithm can be used to identify the insider threats. The value of F-measure is up to 99.96% which is better than SVM and random forest algorithm.
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Dates and versions

hal-02197790 , version 1 (30-07-2019)





Wei Jiang, Yuan Tian, Weixin Liu, Wenmao Liu. An Insider Threat Detection Method Based on User Behavior Analysis. 10th International Conference on Intelligent Information Processing (IIP), Oct 2018, Nanning, China. pp.421-429, ⟨10.1007/978-3-030-00828-4_43⟩. ⟨hal-02197790⟩
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