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Conference Paper
Analysis of Intrusion Detection Performance by Smoothing Factor of Gaussian NB Model Using Modified NSL-KDD Dataset
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- Authors
- Kijung Bong, Jonghyun Kim
- Issue Date
- 2022-10
- Citation
- International Conference on Information and Communication Technology Convergence (ICTC) 2022, pp.1471-1476
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- Recently, research on AI-based network intrusion detection has been actively conducted. In previous studies, the machine learning models such as SVM (Support Vector Machine) and RF (Random Forest) showed consistently high performance, whereas the NB (Na챦ve Bayes) showed various performances with large deviations. In the paper, after analyzing the cause of the NB models showing various performances addressed in the several studies, we measured the performance of the Gaussian NB model according to the smoothing factor that is closely related to these causes. Furthermore, we compared the performance of the Gaussian NB model with that of the other models as a zero-day attack detection system. As a result of the experiment, the accuracy was 38.80% and 87.99% in case that the smoothing factor is 0 and default respectively, and the highest accuracy was 94.53% in case that the smoothing factor is 1e-01. In the experiment, we used only some types of the attack data in the NSL-KDD dataset. The experiments showed the applicability of the Gaussian NB model as a zero-day attack detection system in the future. In addition, it is clarified that the smoothing factor of the Gaussian NB model determines the shape of gaussian distribution that is related to the likelihood.
- KSP Keywords
- Attack Detection, Detection Systems(IDS), Gaussian Distribution, High performance, Large deviations, NSL-KDD dataset, Smoothing factor, Support VectorMachine(SVM), Zero-day attacks, detection performance, machine learning models