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Method for quantitative risk assessment of cyber-physical systems based on vulnerability analysis
Kybernetika, Tome 60 (2024) no. 6, pp. 779-796 Cet article a éte moissonné depuis la source Czech Digital Mathematics Library

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Cyber-physical system protection against cyber-attacks is a serious problem that requires methods for assessing the cyber security risks. This paper proposes a quantitative metric to evaluate the risks of cyber-physical systems using the fuzzy Sugeno integral. The simulated attack graph, consisting of vulnerable system components, allows for obtaining various parameters for assessing the risks of attack paths characterizing the elements in the cyber and physical environment and are combined into a single quantitative assessment. Experiments are performed on a threat model using the example of a cyber-physical system for wind energy generation. The model integrates a cyber-physical network's topology and vulnerabilities, proving the proposed method's effectiveness in ensuring cyber resilience.
Cyber-physical system protection against cyber-attacks is a serious problem that requires methods for assessing the cyber security risks. This paper proposes a quantitative metric to evaluate the risks of cyber-physical systems using the fuzzy Sugeno integral. The simulated attack graph, consisting of vulnerable system components, allows for obtaining various parameters for assessing the risks of attack paths characterizing the elements in the cyber and physical environment and are combined into a single quantitative assessment. Experiments are performed on a threat model using the example of a cyber-physical system for wind energy generation. The model integrates a cyber-physical network's topology and vulnerabilities, proving the proposed method's effectiveness in ensuring cyber resilience.
DOI : 10.14736/kyb-2024-6-0779
Classification : 68M15
Keywords: cyber-physical system; risk assessment; attack graph; graph centrality measures; Sugeno $\lambda $‐measure; fuzzy Sugeno integral; attack path 
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     title = {Method for quantitative risk assessment of cyber-physical systems based on vulnerability analysis},
     journal = {Kybernetika},
     pages = {779--796},
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Alguliyev, Rasim; Aliguliyev, Ramiz; Sukhostat, Lyudmila. Method for quantitative risk assessment of cyber-physical systems based on vulnerability analysis. Kybernetika, Tome 60 (2024) no. 6, pp. 779-796. doi: 10.14736/kyb-2024-6-0779

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