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http://dx.doi.org/10.3745/JIPS.2005.1.1.009

Robust Real-time Intrusion Detection System  

Kim, Byung-Joo (Department of Information & Communication Engineering at Youngsan University)
Kim, Il-Kon (Department of Computer Science at Kyungpook National University)
Publication Information
Journal of Information Processing Systems / v.1, no.1, 2005 , pp. 9-13 More about this Journal
Abstract
Computer security has become a critical issue with the rapid development of business and other transaction systems over the Internet. The application of artificial intelligence, machine learning and data mining techniques to intrusion detection systems has been increasing recently. But most research is focused on improving the classification performance of a classifier. Selecting important features from input data leads to simplification of the problem, and faster and more accurate detection rates. Thus selecting important features is an important issue in intrusion detection. Another issue in intrusion detection is that most of the intrusion detection systems are performed by off-line and it is not a suitable method for a real-time intrusion detection system. In this paper, we develop the real-time intrusion detection system, which combines an on-line feature extraction method with the Least Squares Support Vector Machine classifier. Applying the proposed system to KDD CUP 99 data, experimental results show that it has a remarkable feature extraction and classification performance compared to existing off-line intrusion detection systems.
Keywords
real-time IDS; kernel PCA; LS-SVM;
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