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Designing and Implementing a Diversity Policy for Intrusion-Tolerant Systems

Seondong HEO, Soojin LEE, Bumsoon JANG, Hyunsoo YOON

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Summary :

Research on intrusion-tolerant systems (ITSs) is being conducted to protect critical systems which provide useful information services. To provide services reliably, these critical systems must not have even a single point of failure (SPOF). Therefore, most ITSs employ redundant components to eliminate the SPOF problem and improve system reliability. However, systems that include identical components have common vulnerabilities that can be exploited to attack the servers. Attackers prefer to exploit these common vulnerabilities rather than general vulnerabilities because the former might provide an opportunity to compromise several servers. In this study, we analyze software vulnerability data from the National Vulnerability Database (NVD). Based on the analysis results, we present a scheme that finds software combinations that minimize the risk of common vulnerabilities. We implement this scheme with CSIM20, and simulation results prove that the proposed scheme is appropriate for a recovery-based intrusion tolerant architecture.

Publication
IEICE TRANSACTIONS on Information Vol.E100-D No.1 pp.118-129
Publication Date
2017/01/01
Publicized
2016/09/29
Online ISSN
1745-1361
DOI
10.1587/transinf.2015EDP7478
Type of Manuscript
PAPER
Category
Dependable Computing

Authors

Seondong HEO
  Korea Advanced Institute of Science and Technology
Soojin LEE
  Korea National Defense University
Bumsoon JANG
  Korea Advanced Institute of Science and Technology
Hyunsoo YOON
  Korea Advanced Institute of Science and Technology

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