Using attack-specific feature subsets for network intrusion detection

  • Authors:
  • Sung Woo Shin;Chi Hoon Lee

  • Affiliations:
  • School of Business Administration, Seoul, Korea;School of Information and Communication Engineering, Suwon, Korea

  • Venue:
  • AI'06 Proceedings of the 19th Australian joint conference on Artificial Intelligence: advances in Artificial Intelligence
  • Year:
  • 2006

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Abstract

One of the essential tasks for building a network intrusion detection system might be to differentiate a salient feature subset from noisy and/or redundant features. Especially, in real-time environment too many features to be monitored deteriorate the system performance. In this paper, we focus on extracting robust feature subsets that maximizes inter-classes seperability with minimized subset size based on a genetic algorithm-based optimization, reducing both false positive and false negative errors by learning class-specific feature subsets. Experimental results show that the proposed approach is especially effective in detecting totally unknown attack patterns compared with single feature-subset model.