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Integrating Genetic Algorithms and Fuzzy c-Means for Anomaly Detection

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5 Author(s)
Chimphlee, W. ; Faculty of Science and Technology, Suan Dusit Rajabhat University, 295 Rajasrima Road, Dusit, Bangkok, Thailand, Tel: ; Abdullah, A.H. ; Noor Md Sap, M. ; Chimphlee, S.
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The goal of intrusion detection is to discover unauthorized use of computer systems. New intrusion types, of which detection systems are unaware, are the most difficult to detect. The amount of available network audit data instances is usually large; human labeling is tedious, time-consuming, and expensive. Traditional anomaly detection algorithms require a set of purely normal data from which they train their model. In this paper we propose an intrusion detection method that combines Fuzzy Clustering and Genetic Algorithms. Clustering-based intrusion detection algorithm which trains on unlabeled data in order to detect new intrusions. Fuzzy c-Means allow objects to belong to several clusters simultaneously, with different degrees of membership. Genetic Algorithms (GA) to the problem of selection of optimized feature subsets to reduce the error caused by using land-selected features. Our method is able to detect many different types of intrusions, while maintaining a low false positive rate. We used data set from 1999 KDD intrusion detection contest.

Published in:

INDICON, 2005 Annual IEEE

Date of Conference:

11-13 Dec. 2005