Building lightweight intrusion detection system based on random forest

  • Authors:
  • Dong Seong Kim;Sang Min Lee;Jong Sou Park

  • Affiliations:
  • Network Security Lab., Computer Engineering Department, Hankuk Aviation University, Goyang-city, Gyeonggi-do, Korea;Network Security Lab., Computer Engineering Department, Hankuk Aviation University, Goyang-city, Gyeonggi-do, Korea;Network Security Lab., Computer Engineering Department, Hankuk Aviation University, Goyang-city, Gyeonggi-do, Korea

  • Venue:
  • ISNN'06 Proceedings of the Third international conference on Advances in Neural Networks - Volume Part III
  • Year:
  • 2006

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Abstract

This paper proposes a new approach to build lightweight Intrusion Detection System (IDS) based on Random Forest (RF). RF is a special kind of ensemble learning techniques and it turns out to perform very well compared to other classification algorithms such as Support Vector Machines (SVM) and Artificial Neural Networks (ANN). In addition, RF produces a measure of importance of feature variables. Our approach is able not only to show high detection rates but also to figure out stable output of important features simultaneously. The results of experiments on KDD 1999 intrusion detection dataset indicate the feasibility of our approach.