The subject matter of this article is the process of forming legal system of international information security and information security within the framework of the RF legislation. The relevance of this topicis due to the fast development of the global information space and the Information system development in all spheres of society, as well as the challenging political situation in the world, which contributes to the emergence of challenges and threats to information security. The steady increase in such threats is the need to build an effective system of international information security, improvement of national legislation in this field. In this context, the authors examine the trends in the development of legislation, public policy inthe field of information security, and identify the most topical problems and issues of scientific research.The purpose of this research is shaping the system of international information security and modernization of Russian law in the field of information security, and making up a number of provisions to facilitate the implementation of public policy of the Russian Federation in the field of information security. The methodological basis of scientific methods of knowledge include: deductive, comparative legal, formallegaltechniques and methods of system analysis. One of the main conclusions of the paper is the needto expand the legal framework of international cooperation as well as the development of common rules of standards in the field of information, creation of a single participants interstate formations approachin the field of legal regulation — harmonization and unification of legislation of the members of unionstates, integration to the RF legislation of the recommendations set out in international instruments.