Lipatnikov, V., Shevchenko, A., Kosolapov, V. and Sokol, D. 2022. Method for ensuring information security of a VOIP telephony network with a forecast of an intruder’s intrusion strategy. Information and Control Systems. 1 (Feb. 2022), 54-67. DOI:https://doi.org/10.31799/1684-8853-2022-1-54-67.