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A Six-Step Model for Safety and Security Analysis of Cyber-Physical Systems

  • Giedre SabaliauskaiteEmail author
  • Sridhar Adepu
  • Aditya Mathur
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10242)

Abstract

A Six-Step Model (SSM) is proposed for modeling and analysis of Cyber-Physical System (CPS) safety and security. SSM incorporates six dimensions (hierarchies) of a CPS, namely, functions, structure, failures, safety countermeasures, cyber-attacks, and security countermeasures. The inter-dependencies between these dimensions are defined using a set of relationship matrices. SSM enables comprehensive analysis of CPS safety and security, as it uses system functions and structure as a knowledge-base for understanding what effect the failures, cyber-attacks, and selected safety and security countermeasures might have on the system. A water treatment system is used as an example to illustrate how the proposed model could serve as a useful tool in the safety and security modeling and analysis of critical infrastructures.

Keywords

Cyber-Physical Systems Failures Safety Cyber-attacks Security GTST-MLD 3-Step Model 

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Giedre Sabaliauskaite
    • 1
    Email author
  • Sridhar Adepu
    • 1
  • Aditya Mathur
    • 1
  1. 1.Singapore University of Technology and DesignSingaporeSingapore

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