Categorization of interconnected objects of critical information infrastructure

The problem of building an information infrastructure resistant to computer attacks is relevant for organizing the work of any enterprise. Therefore, the ability to assess the existing or developing information infrastructure is very important. In this regard, the article deals with the problem of categorizing objects of critical information infrastructure in the context of the need to assess their relationship. The current legislative acts, which are the information base for determining the objects of critical information infrastructure and determining their purpose, structure and composition, are considered, as well as the criteria for the significance of objects are determined. The article also defines the links between critical information infrastructure objects, their resistance to computer attacks, as well as possible damage due to disruption of their functioning or the performance of a critical process. The article provides a description of the criteria that are subject to assessment and a methodology for assessing the stability of critical information infrastructure objects to computer attacks and assessing possible damage due to disruption of the functioning or performance of critical processes by objects of critical information infrastructure. An augmented solution is proposed for assessing the stability of the functioning of critical information infrastructure objects with various options for their connection. The possibility of assessing the cumulative damage due to disruption of the functioning of interconnected objects of critical information infrastructure is considered.