The aim of the article is to analyze the information and psychological wars which have become a real threat to the modern world, leading to damage to the individual and mass awareness of the population, ethno-political divisions, internal and external armed conflicts and wars, and the loss of states’ sovereignty. The most relevant example of the consequences of information and psychological warfare is russia’s propaganda aggression against Ukraine. Providing security today is one of the main priorities for Ukrainians, in particular, local security issues in wartime require more attention, taking into account the factor of people’s dependence on information and its content. The research problem focusses on shaping critical thinking as a factor of the local security in wartime conditions. One of the means of information and psychological resistance and protection of the individuals from russian aggressive propaganda is critical perception of information, which is based on critical thinking. The formation of critical thinking is one of the ways of informational and psychological resistance to russian aggression, a tool of psychological protection against the negative impact of information, which ensures the informational and psychological security of the individual and the country.