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Cyber-resilience evaluation of Cyber-Physical Systems

Authors
  • Segovia, Mariana
  • Rubio-Hernan, Jose
  • Cavalli, Ana R.
  • Garcia-Alfaro, Joaquin
Publication Date
Nov 24, 2020
Identifiers
DOI: 10.1109/NCA51143.2020.9306741
OAI: oai:HAL:hal-03115317v1
Source
HAL-INRIA
Keywords
Language
English
License
Unknown
External links

Abstract

Cyber-Physical Systems (CPS) use computational resources to control physical processes and provide critical services. For this reason, an attack in these systems may have dangerous consequences in the physical world. Hence, cyber- resilience is a fundamental property to ensure the safety of the people, the environment and the controlled physical processes. In this paper, we present metrics to quantify the cyber-resilience level based on the design, structure, stability, and performance under the attack of a given CPS. The metrics provide reference points to evaluate whether the system is better prepared or not to face the adversaries. This way, it is possible to quantify the ability to recover from an adversary using its mathematical model based on actuators saturation. Finally, we validate our approach using a numeric simulation on the Tennessee Eastman control challenge problem.

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