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Optimal Information Security Investment with Penetration Testing

  • Rainer Böhme
  • Márk Félegyházi
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6442)

Abstract

Penetration testing, the deliberate search for potential vulnerabilities in a system by using attack techniques, is a relevant tool of information security practitioners. This paper adds penetration testing to the realm of information security investment. Penetration testing is modeled as an information gathering option to reduce uncertainty in a discrete time, finite horizon, player-versus-nature, weakest-link security game. We prove that once started, it is optimal to continue penetration testing until a secure state is reached. Further analysis using a new metric for the return on penetration testing suggests that penetration testing almost always increases the per-dollar efficiency of security investment.

Keywords

Information Security Weak Link Intrusion Detection System Secure State Penetration Testing 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Rainer Böhme
    • 1
  • Márk Félegyházi
    • 1
  1. 1.International Computer Science InstituteBerkeleyUSA

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