D.V. Chernov – Assistant, 

Department «Information Security», Tula State University; 

Head of Sector of Information Security, JSC ADC (Tula)

E-mail: cherncib@gmail.com

A.A. Sychugov – Ph.D.(Eng.), Associate Professor, 

Head of Department «Information Security», Tula State University; 

Director of Institute of Applied Mathematics and Computer Science of Tula State University E-mail: xru2003@list.ru