B.V. Sultanov - Dr. Sc. (Eng.), Professor, Department «Information security of systems and technologies», Penza State University. E-mail: bv_sultanov@mail.ru N.B. Zhukova - Post-graduate Student, Engineer, Department «Information security of systems and technologies», Penza State University. E-mail: zhukova-nb@yandex.ru S.L. Zefirov - Ph. D. (Eng.), Associate Professor, Head of Department «Information security of systems and technologies», Penza State University. E-mail: sergeizefirov@mail.ru V.V. Doroshkevich - Assistant, Department «Information security of systems and technologies», Penza State University. E-mail: ibst@pnzgu.ru