Explainable AI for Enhancing IDS Against Advanced Persistent Kill Chain

• URL: http://arxiv.org/abs/2506.07480v1
• Date: Mon, 09 Jun 2025 06:54:12 GMT
• Title: Explainable AI for Enhancing IDS Against Advanced Persistent Kill Chain
• Authors: Bassam Noori Shaker, Bahaa Al-Musawi, Mohammed Falih Hassan,
• Abstract summary: This work proposes a feature selection and classification model that integrates two prominent machine learning algo-rithms.<n>The aim is to develop lightweight IDS based on a selected minimum number of influential features for detecting APTs at various phases.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Advanced Persistent Threats (APTs) represent a sophisticated and persistent cy-bersecurity challenge, characterized by stealthy, multi-phase, and targeted attacks aimed at compromising information systems over an extended period. Develop-ing an effective Intrusion Detection System (IDS) capable of detecting APTs at different phases relies on selecting network traffic features. However, not all of these features are directly related to the phases of APTs. Some network traffic features may be unrelated or have limited relevance to identifying malicious ac-tivity. Therefore, it is important to carefully select and analyze the most relevant features to improve the IDS performance. This work proposes a feature selection and classification model that integrates two prominent machine learning algo-rithms: SHapley Additive exPlanations (SHAP) and Extreme Gradient Boosting (XGBoost). The aim is to develop lightweight IDS based on a selected minimum number of influential features for detecting APTs at various phases. The pro-posed method also specifies the relevant features for each phase of APTs inde-pendently. Extensive experimental results on the SCVIC-APT-2021 dataset indi-cated that our proposed approach has improved performance compared to other standard techniques. Specifically, both the macro-average F1-score and recall reached 94% and 93 %, respectively, while reducing the complexity of the detec-tion model by selecting only 12 features out of 77.

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