00825naa#a2200181#i#450# EN\\bibl\19912 20260702025741.4 20260630b2026####ek#y0engy0150####ca RU MODELING THE DEGRADATION OF INFORMATION SYSTEMS DUE TO PROLONGED ABSENCE OF SECURITY UPDATES Conference article/thesis Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2026 6 с. Conference article/thesis local Информационные технологии. Компьютерные технологии. Теория вычислительных машин и систем. 004 Alekseev V. R. Buchnev S. O. Getmantsev D. D. bibl.vgltu.ru