Intrusion Detection Using Cost-Sensitive Classification

  • Aikaterini Mitrokotsa*Email author
  • Christos Dimitrakakis
  • Christos Douligeris
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 30)


Intrusion Detection is an invaluable part of computer networks defense. An important consideration is the fact that raising false alarms carries a significantly lower cost than not detecting attacks. For this reason, we examine how cost-sensitive classification methods can be used in Intrusion Detection systems. The performance of the approach is evaluated under different experimental conditions, cost matrices and different classification models, in terms of expected cost, as well as detection and false alarm rates. We find that even under unfavourable conditions, cost-sensitive classification can improve performance significantly, if only slightly.


False Alarm Gaussian Mixture Model Intrusion Detection Test Dataset Intrusion Detection System 
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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Aikaterini Mitrokotsa*
    • 1
    Email author
  • Christos Dimitrakakis
    • 2
  • Christos Douligeris
    • 3
  1. 1.Vrije University AmsterdamNetherlands
  2. 2.University of LeobenLeobenAustria
  3. 3.University of PiraeusPiraeusGreece

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