An alert reasoning method for intrusion detection system using attribute oriented induction

  • Authors:
  • Jungtae Kim;Gunhee Lee;Jung-taek Seo;Eung-ki Park;Choon-sik Park;Dong-kyoo Kim

  • Affiliations:
  • Graduate School of Information Communication, Ajou University, Suwon, Korea;Graduate School of Information Communication, Ajou University, Suwon, Korea;National Security Research Institute, Daejeon, Korea;National Security Research Institute, Daejeon, Korea;National Security Research Institute, Daejeon, Korea;Graduate School of Information Communication, Ajou University, Suwon, Korea

  • Venue:
  • ICOIN'05 Proceedings of the 2005 international conference on Information Networking: convergence in broadband and mobile networking
  • Year:
  • 2005

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Abstract

The intrusion detection system (IDS) is used as one of the solutions against the Internet attack. However the IDS reports extremely many alerts as compared with the number of the real attack. Thus the operator suffers from burden tasks that analyze floods of alerts and identify the root cause of them. The attribute oriented induction (AOI) is a kind of clustering method. By generalizing the attributes of raw alerts, it creates several clusters that include a set of alerts having similar or the same cause. However, if the attributes are excessively abstracted, the administrator does not identify the root cause of the alert. In this paper, we describe about the over generalization problem because of the unbalanced generalization hierarchy. We also discuss the solution of the problem and propose an algorithm to solve the problem.