Issue and purpose. The article reveals the urgent problem of the systematic training of information security (IS) in primary school. The purpose of the article is to present an approach to the formation of the content of information security education for primary school children, taking into account possible sources and situations of information threats. Methodology. The methodological base of the study is the activity approach, the theory of situational and contextual learning. The solution of the study issues was provided by a set of methods based on the analysis of domestic and foreign pedagogical theory and practice in the field of ensuring information security of an individual; general scientific methods, including modeling, matching, comparison and generalization; experimental methods using diagnostic tools, expert estimates and statistical processing of the results of a pedagogical experiment. Results. The article explores the issues of teaching information security to primary school students. In the course of the study, an analysis was made of the characteristics of the perception of information critical for the life of a younger student, the social groups of its possible information communication were identified, the sources of information threats typical for young students were identified, a model for the formation of the content of information security training for younger students was developed, which forms the basis for the formation of the methodology basics of information security training at the primary school stage. Conclusions. The results obtained indicate the need to implement the developed model for teaching information security to junior schoolchildren in the educational environment of the school with the involvement of parents, family, the system of vocational education, public organizations and social services.