The article considers the modern problems of religious extremism in the Russian Federation and abroad, and attempts to analyze of the causes of religious extremism and its spread. This paper highlights the scope of Islamic religious extremism and the danger of other kinds of extremism activities, destructive cults and totalitarian sects, which have distorted the essence and image of religious teaching. The article focuses on the current problems of the activities of Islamic religious extremist

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... rganizations, modern worship and its radical ideologies, which can be considered as a real threat to national security of the Russian Federation. Moreover, the problems of the prosecution's office activity in the struggle with religious extremism are touched upon.