Instruments and Systems: Monitoring, Control, and Diagnostics Annotation << Back The formation of criteria of operability and failures of information security system from unauthorized access automated system I.G. DROVNIKOVA, A.S. ETEPNEV, E.A. ROGOZIN The article presents the classification of information security threats caused by failures of the information security system from unauthorized access to the automated system. Classification is developed on the basis of the analysis of architecture and features of functioning of information security system and defines the main criteria of an assessment of its reliability at the solution of problems of ensuring integrity, confidentiality and availability of information in the course of operation of the secure automated system. Keywords: threats to information security, unauthorized access, information security system, automated system. DOI: 10.25791/pribor.05.2019.631 Contacts: E-mail: idrovnikova@mail.ru Pp. 18-24.