The article is devoted to the study of information and psychological sabotage and the «Westernization» of culture, which are considered as a threat to the mental security of modern Russia. The main focus is on considering those measures that can minimize the consequences of this threat. The purpose of the study is to develop and propose measures aimed at overcoming the negative consequences of the threat to nation-al security, called information and psychological diversions and the «Westernization» of culture. The work uses a systematization method, a systematic method, as well as a structural approach. Mental security is presented as an important part of military security, in which the main object of attacks is the consciousness and identity of a person as a representative of a separate nation. The study provides definitions of the basic concepts, reveals their essence and role in the overall security system, suggests various initiatives to counter information and psychological diversions and the «Westernization» of culture, and also provides a list of competencies of subjects of mental security from among the institutions of government and civil society of Russia aimed at preventing the negative consequences of the threat under consideration.