Instruments and Systems: Monitoring, Control, and Diagnostics Annotation << Back Development of a Procedure for Categorizing Objects of Critical Information Infrastructure A.N. ALEKSAKHIN, V.A. BULANOV, T.A. BULANOVA, D.M. MALINICHEV, V.V. MOCHALOV, A.E. TRUBIN This article discusses the procedure for categorizing objects of critical information infrastructure and the steps that must be taken by subjects of critical information infrastructure to comply with the legislation of the Russian Federation. The application of the knowledge base of the enterprise in the process of categorization is proposed, the advantages of this approach. A formalized model of categorization of critical information infrastructure objects is introduced. Keywords: critical information infrastructure, information security, information protection. DOI: 10.25791/pribor.2.2023.1391 Pp. 58-65.