TY JOUR TI FORMAL APPROACH TO THE MOST INFORMATION SYSTEM «DANGEROUS» PROPERTIES IN TERMS OF INFORMATION SECURITY THREATS IDENTIFYING KW information security KW information system KW threat KW Information Security Threat Data Bank of Federal service for technical and expert control of Russia KW statistics KW software prototype JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Buinevich, M.V. AU Leonov, N.V. AU Khoroshenko, V.S. PY 2024 IS 2023 PB Saint-Petersburg University of State Fire Service of Emercom of Russia