Abstract: The study is devoted to the investigation of the information and communication problems of law enforcement of anti-extremist legislation in Russia. It presents the dynamics of statistical data on the offenses of an extremist nature and quantity index of wrongful warnings and convictions relating to the information and media sector. Analysis of sociological data nationwide survey allowed to determine public opinion on the prohibitive measures in the Internet space and to develop anti-extremist recommendations of the information and media field. Extremism as violence in the socio-political practice poses a danger to the government and citizens and inadequate forms of anti-extremism countering are dangerous for the free functioning of media and communication.