Security Provisions for Ensuring Telecommunication Networks’ Protection from Malicious Influences

An analysis of the main network threats and reasons of their occurrence is described. Unauthorized access prevention and protection methods are presented. A network fragment has been modeled for the research which describes network equipment monitoring method using NetFlow Analyzer. DoS-type, as well as Man in the middle-type attacks, have been conducted in order to study their impact. There are listed recommendations referring to a complex approach for protection against attacks represented here and other possible effects.