Instruments and Systems: Monitoring, Control, and Diagnostics Annotation << Back Structural model of user access to information resources management systems in critical applications S.V. BELOKUROV O.V. BAGRINTSEVA A.V. DUSHKIN D.B. DESYATOV A.S. KRAVCHENKO The article deals with protection of information from unauthorized. Function provides information protection system. The structural model of multilevel user access to information resources to integrate the security systems, providing management control of user access to information in the control systems of critical applications. Referring etsya algorithmtiered user access to information in the ISF. The structural model of multilevel user access to information resources of the ISF, implements a differentiated approach to the problem of secure user access to information. Keywords: information, management systems, critical applications, integrate the security system, control systems of critical applications. Contacts: E-mail: bsvlabs@mail.ru Pp. 08-10.