TY CONF TI SYSTEM ANALYSIS IS A NECESSARY TOOL FOR INFORMATION PROTECTION KW System KW systemology KW information protection KW security methods JO CHALLENGING ISSUES IN SYSTEMS MODELING AND PROCESSES AU Rumyantsev, V.S. AU Bashkirov, R.M. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov