Abstract. The article presents the concept of building a network security model and its application in the process of risk analysis. It indicates the possibility of a new definition of the role of the network models in the safety analysis. Special attention was paid to the development of the use of an algorithm describing the process of identifying the assets, vulnerability and threats in a given context. The aim of the article is to present how this algorithm reduced the complexity of the problem by eliminating from the base model these components that have no links with others component and as a result and it was possible to build a real network model corresponding to reality.
Abstract. The aim of the article is to present the possibilities offered by network models. This article discusses the network model of risk analysis in technical structures. We are discussed some network centrality measures and their use in risk analysis. We have proposed a mixed, expert-formal model for analyzing the risk of asset risk in technical structures based on own methodology of network building. We shown that mathematically model of structure of the network and its corresponding physical are linked by bijection. This creates a unequivocal model for quantitative risk analysis.
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