TY CONF TI ANALYSIS OF INFORMATION PROTECTION METHODS AGAINST LEAKAGE THROUGH ACOUSTIC AND VIBROACOUSTIC CHANNELS KW information protection methods KW information leakage KW acoustic and vibroacoustic channels KW technical channels KW acoustic speech protection equipment JO MODELING INFORMATION SYSTEMS AND TECHNOLOGIES – 2025 AU Zolnikov, V.K. AU Sazonova, S.A. AU Kutepova, O.Y. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov