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Developing Transparent IDS for VANETs Using LIME and SHAP: An Empirical Study

Fayaz Hassan1,*, Jianguo Yu1, Zafi Sherhan Syed2, Arif Hussain Magsi3, Nadeem Ahmed4

1 Beijing Key Laboratory of Work Safety Intelligent Monitoring, School of Electronic Engineering, Beijing University of Post and Telecommunication, Beijing, 100876, China
2 Department of Telecommunication Engineering, Mehran University of Engineering and Technology, Jamshoro, 76062, Pakistan
3 State Key Laboratory of Networking and Switching Technology, Beijing University of Post and Telecommunication, Beijing, 100876, China
4 School of Electronic Science, Beijing University of Post and Telecommunication, Beijing, 100876, China

* Corresponding Author: Fayaz Hassan. Email: email

(This article belongs to the Special Issue: Cybersecurity Solutions for Wireless Sensor Networks in IoT Environments )

Computers, Materials & Continua 2023, 77(3), 3185-3208. https://doi.org/10.32604/cmc.2023.044650

Abstract

Vehicular Ad-hoc Networks (VANETs) are mobile ad-hoc networks that use vehicles as nodes to create a wireless network. Whereas VANETs offer many advantages over traditional transportation networks, ensuring security in VANETs remains a significant challenge due to the potential for malicious attacks. This study addresses the critical issue of security in VANETs by introducing an intelligent Intrusion Detection System (IDS) that merges Machine Learning (ML)–based attack detection with Explainable AI (XAI) explanations. This study ML pipeline involves utilizing correlation-based feature selection followed by a Random Forest (RF) classifier that achieves a classification accuracy of 100% for the binary classification task of identifying normal and malicious traffic. An innovative aspect of this study is the incorporation of XAI methodologies, specifically the Local Interpretable Model-agnostic Explanations (LIME) and SHapley Additive exPlanations (SHAP). In addition, this research also considered key features identified by mutual information-based feature selection for the task at hand. The major findings from this study reveal that the XAI-based intrusion detection methods offer distinct insights into feature importance. Key features identified by mutual information, LIME, and SHAP predominantly relate to Transmission Control Protocol (TCP), Hypertext Transfer Protocol (HTTP), Domain Name System (DNS), and Message Queuing Telemetry Transport (MQTT) protocols, highlighting their significance in distinguishing normal and malicious network activity. This XAI approach equips cybersecurity experts with a robust means of identifying and understanding VANET malicious activities, forming a foundation for more effective security countermeasures.

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Cite This Article

APA Style
Hassan, F., Yu, J., Syed, Z.S., Magsi, A.H., Ahmed, N. (2023). Developing transparent IDS for vanets using LIME and SHAP: an empirical study. Computers, Materials & Continua, 77(3), 3185-3208. https://doi.org/10.32604/cmc.2023.044650
Vancouver Style
Hassan F, Yu J, Syed ZS, Magsi AH, Ahmed N. Developing transparent IDS for vanets using LIME and SHAP: an empirical study. Comput Mater Contin. 2023;77(3):3185-3208 https://doi.org/10.32604/cmc.2023.044650
IEEE Style
F. Hassan, J. Yu, Z.S. Syed, A.H. Magsi, and N. Ahmed "Developing Transparent IDS for VANETs Using LIME and SHAP: An Empirical Study," Comput. Mater. Contin., vol. 77, no. 3, pp. 3185-3208. 2023. https://doi.org/10.32604/cmc.2023.044650



cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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