The object of this study is public relations related to information security in The Russian Federation in the face of new challenges and threats, as well as digital transformation and geopolitical changes. The subject of the study forms a set of legal norms of normative legal acts of the Russian Federation regulating public relations in the field of information security, as well as the provisions of theoretical interdisciplinary research in this area. Special attention is paid to security issues, which occupy one of the key values in the domestic and foreign policy of the state, determining further national interests and strategic national priorities, goals and objectives of state policy and sustainable development of the state for the long term. The issues of ensuring information security are becoming more and more urgent in view of the global digital transformation of all spheres of life, as well as the aggravation of geopolitical contradictions and the strengthening of interstate information warfare. The author concludes that it is obvious that it is expedient to legislate at the federal level the legal foundations of the national information security system in the Russian Federation in order to use information and legal means in the conditions of digitalization, the growth of geopolitical challenges and risks, the global socio-economic crisis, the formation of a multipolarity of the world, aimed at increasing the security of Russian information resources, information systems and objects of information infrastructure. The author raises the question of the possibility of including certain legal norms in the domestic information legislation in the part in which such norms regulate relations in the field of performance by public administration bodies of functions ensuring security in the information sphere.