The Availability Models of Two-Zone Physical Security System Considering Cyber Attacks

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dc.contributor.authorKharchenko, V.
dc.contributor.authorPonochovnyi, Y. L.
dc.contributor.authorWaleed AK. A.
dc.contributor.authorBoyarchuk, A.
dc.contributor.authorBrezhniev, Y.
dc.contributor.authorПоночовний, Юрій Леонідович
dc.date.accessioned2023-11-22T07:37:11Z
dc.date.available2023-11-22T07:37:11Z
dc.date.issued2020
dc.descriptionKharchenko V., Ponochovnyi Y., Waleed AK.A., Boyarchuk A., Brezhniev I. (2020) The Availability Models of Two-Zone Physical Security System Considering Cyber Attacks. In: Zamojski W., Mazurkiewicz J., Sugier J., Walkowiak T., Kacprzyk J. (eds) Theory and Applications of Dependable Computer Systems. DepCoS-RELCOMEX 2020. Advances in Intelligent Systems and Computing, vol 1173. Springer, Cham. pp 325-333. https://doi.org/10.1007/978-3-030-48256-5_32
dc.description.abstractRelevance of the paper is confirmed by the need to protect the security systems themselves, not only from physical damage, but also from ceyber attacks hy intruders. The paper explores the Markov model of the two-zone cyber-physical security system. Evaluation of the functioning of the multi zone system was carried out taking into account two degrees of degradation (operative condition - the failure state ofall zones). The state space of the model (or one fragment) has a dimension of 9 states. In the proposed model, hardware failures caused by vandal attacks on objects of the first zone and software failures due to cyber attacks on the functions ofthe second zone are considered. The simulation results illustrate different transition intervals of availability indicators of various levels of degradation to a stationary state. For different degrees of degradation, the minimum value of the availabilty function, the time interval ofthe transition of the availability function to the stationary mode, and the Value of the availability function in the stationary mode are determined. When eliminating software defects and vulnerabilities, the increase in the availability function is 0.234 for a zero level of system degradation.
dc.identifier.urihttps://doi.org/10.1007/978-3-030-48256-5_32
dc.identifier.urihttps://dspace.pdau.edu.ua/handle/123456789/15416
dc.language.isoen
dc.subjectCyberphysical security system
dc.subjectavailability indicators
dc.subjectMarkov model
dc.subjectdegradation levels
dc.subjectmulti-zone architecture
dc.titleThe Availability Models of Two-Zone Physical Security System Considering Cyber Attacks
dc.typeArticle
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