On some aspects of the use of social networks by terrorist and extremist organizations

The article describes the use of fundamental aspects of broad communication and information capabilities of social networks by extremist and terrorist organizations for anti-social propaganda, incitement to violence, involving volunteers into their activities, recruiting new members, fund-raising, planning and coordination of joint actions and intelligence activities. Means of extremism and terrorism counteraction within the network, which have proved positive experience of their use are marked in the article.