Synthetic Data Generation in Cybersecurity: A Comparative Analysis

• URL: http://arxiv.org/abs/2410.16326v1
• Date: Fri, 18 Oct 2024 14:19:25 GMT
• Title: Synthetic Data Generation in Cybersecurity: A Comparative Analysis
• Authors: Dure Adan Ammara, Jianguo Ding, Kurt Tutschku,
• Abstract summary: GAN-based methods, particularly CTGAN and CopulaGAN, outperform non-AI and conventional AI approaches in terms of fidelity and utility. This research contributes to the field by offering the first comparative evaluation of these methods specifically for cybersecurity network traffic data.
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• Abstract: Synthetic data generation faces significant challenges in accurately replicating real data, particularly with tabular data, where achieving high fidelity and utility is critical. While numerous methods have been developed, the most effective approach for creating high-quality synthetic data for network traffic security remains to be seen. This study conducts a comprehensive comparative analysis of non-AI, conventional AI, and generative AI techniques for synthetic tabular data generation using two widely recognized cybersecurity datasets: NSL-KDD and CICIDS-2017. Particular emphasis was placed on prominent GAN models for tabular data generation, including CTGAN, CopulaGAN, GANBLR++, and CastGAN. The results indicate that GAN-based methods, particularly CTGAN and CopulaGAN, outperform non-AI and conventional AI approaches in terms of fidelity and utility. To the best of our knowledge, this research contributes to the field by offering the first comparative evaluation of these methods specifically for cybersecurity network traffic data, filling a critical gap in the literature. It also introduces mutual information for feature selection, further enhancing the quality of the generated synthetic data. These findings provide valuable guidance for researchers seeking the most suitable synthetic data generation method in cybersecurity applications.

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