A.V. Davydiuk

Èlektron. model. 2021, 44(1):107-117


Critical malfunctions can result in significant material and non-material damage. With the development of information technology, an important aspect of the stability of such systems has become the cybersecurity of critical information infrastructure. The legislation of Ukraine provides for the protection of information to build comprehensive information security systems and information security management systems. However, with critical systems, such approaches are general and can be effectively used in providing cyber security for individual segments of such systems. When designing critical systems, considerable attention is paid to meeting the requirements for reliability and quality, in particular the artefacts of each stage. At the same time, the influence of internal and external context on the functioning of such systems and their probabilistic characteristics are sometimes left without proper attention. Given the possible consequences of malfunctioning such systems, to take into account the possible impact of uncertainty on the performance of such systems (risk), it is proposed to define the risk management model as an artefact of the process of designing critical systems. It is the detection of artefacts at the design stage that avoids most errors and minimizes the risk of malfunctioning such systems.


critical systems, automated process control systems, cybersecurity, cybersecu­rity, risk, artefact, critical information infrastructure.


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