This review examines the textbook "Cognitive Security of the Media Space". It highlights the publication’s high theoretical and methodological quality, as well as the comprehensive nature of the interdisciplinary research that underpins its practical significance. Emphasis is placed on the fact that this is the first textbook in the series "Prolegomenon of Cognitive Security", intended for students in combined groups across several university majors. The authors’ recommendations are also highly relevant for the effective implementation of media education technologies. Overall, the reviewer notes, the book will undoubtedly be useful to anyone interested in the prospects for the development of cognitive sciences and technologies for countering destructive and extremist ideologies in the context of the transformational processes of Russia’s information society.