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Ideal Based Cyber Security Technical Metrics for Control Systems

  • Wayne Boyer
  • Miles McQueen
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5141)

Abstract

Much of the world’s critical infrastructure is at risk from attack through electronic networks connected to control systems. Security metrics are important because they provide the basis for management decisions that affect the protection of the infrastructure. A cyber security technical metric is the security relevant output from an explicit mathematical model that makes use of objective measurements of a technical object. A specific set of technical security metrics are proposed for use by the operators of control systems. Our proposed metrics are based on seven security ideals associated with seven corresponding abstract dimensions of security. We have defined at least one metric for each of the seven ideals. Each metric is a measure of how nearly the associated ideal has been achieved. These seven ideals provide a useful structure for further metrics development. A case study shows how the proposed metrics can be applied to an operational control system.

Keywords

Cyber Security Metrics Control System Security 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Wayne Boyer
    • 1
  • Miles McQueen
    • 1
  1. 1.Idaho National LaboratoryIdaho FallsUSA

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