A.A. Koshkarov - Post-graduate Student, Kuban State University, Krasnodar city, Russia. E-mail: Koshkarov17@yandex.ru S.V. Lyskov - Head of information security, Medical Centre for Information and Analysis of the Ministry of Health Care of Krasnodar Region, Krasnodar city, Russia. E-mail: slyskov@miackuban.ru A.A. Khalafyan - Ph.D. (Eng.), Professor, Department of computer technology and applied mathematics faculty, Kuban State University, Krasnodar city. E-mail: khaliphyan@kubannet.ru