Norm-Profile Construction Using Splitting Neural Gas for Anomaly Detection

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A neural gas network is a single-layered soft competitive neural network, which has many advantages for clustering analysis comparing to Kohonen's self-organizing map, K-means etc. This paper proposes a splitting neural gas algorithm (SNG). By initializing neurons splitting and finally deleting operations, the SNG can be used to characterize a certain class pattern effectively. We utilize the SNG to construct the profile of normal activities for anomaly detection in network security. Simulations are carried out using KDD CUP intrusion detection evaluation datasets. The experimental results showed that the SNG classifier can achieve the detection rate higher than 99% with a false positive rate lower than 1.6% and outperform many other recent supervised or unsupervised approaches.

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826-831

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December 2012

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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