This expert text aims to familiarize with the problems of cyber attacks, which are very often committed in connection with criminal activities of hate. At present, we are very often confronted with the issue of cybercriminals as a means of meeting the needs of perpetrators or secondarily for the purposes of third parties. Very common attacks among users of extremist groups include, for example, Denial of Service - attacks on the service or attacks through social networks and web profiles. In particular, the attacks may be related to their anti-social activities from members of the opposition groups, precisely because of the polarization of political opinion.