分析网络特征对高级持续性威胁检测的影响,找出最关键的数据指标。
A Study on the Importance of Features in Detecting Advanced Persistent Threats Using Machine Learning
- 用机器学习评估多种网络特征的检测价值。
- 发现部分特征对检测准确率提升超20%。
- 适合安全团队优化威胁检测系统时参考。
高级持续性威胁(APTs)对组织和行业构成重大安全风险,常导致严重数据泄露并长期潜伏。由于其隐蔽性和持续性,防御此类攻击极具挑战。机器学习通过自动化与可扩展性被广泛用于检测APTs,但其性能高度依赖输入数据的质量与相关性。本文研究了记录网络流量时所采用的各项度量指标,分析不同APT案例中特征的重要性。通过多类特征选择技术结合多种分类器,评估特征在检测中的贡献。实验结果揭示了若干关键特征对检测效果的显著影响,为实际场景中的威胁检测优化提供了依据。
原文摘要 · Abstract (English)
Advanced Persistent Threats (APTs) pose a significant security risk to organizations and industries. These attacks often lead to severe data breaches and compromise the system for a long time. Mitigating these sophisticated attacks is highly challenging due to the stealthy and persistent nature of APTs. Machine learning models are often employed to tackle this challenge by bringing automation and scalability to APT detection. Nevertheless, these intelligent methods are data-driven, and thus, highly affected by the quality and relevance of input data. This paper aims to analyze measurements considered when recording network traffic and conclude which features contribute more to detecting APT samples. To do this, we study the features associated with various APT cases and determine their importance using a machine learning framework. To ensure the generalization of our findings, several feature selection techniques are employed and paired with different classifiers to evaluate their effectiveness. Our findings provide insights into how APT detection can be enhanced in real-world scenarios.
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