ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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8
Issue
vol 60 / AUGUST, 2017
Article

DOI 10.17586/0021-3454-2016-59-1-50-59

UDC 004.056.53

MODELING OF INFORMATION SYSTEM SECURITY THREAT USING APPROXIMATING FUNCTIONS

K. A. Shcheglov
ITMO University, Saint Petersburg, 197101, Russian Federation; OOO «Scientific Production Enterprise «Information technologies in business»; postgraduate; development manager


A. Y. Shcheglov
ITMO University, Saint Petersburg, 197101, Russian Federation; OOO «Scientific Production Enterprise «Information technologies in business»; Professor; General Director


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Abstract. Informational system security threat modeling method is developed using approximating functions designed on the base of pre-built Markov model of attack threat. The information system is considered as a system with failures and restorations of security characteristic function. The proposed method allows deriving principally new and important informational system security characteristics to be used in security system design.
Keywords: informational security, attack threat, security threat, modeling, Markov process, approximating function

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