Abstract. The military security of the Russian Federation in the face of external and internal threats is still primarily important. In this context the rightful principles of defense and security in Russia play a discrete role. The article provides the analysis of these principles for a legal framework of the Russian military security regulation. It reveals system problems, gaps and contradictions of the legal regulation. Complex and urgent measures for the legal system and legal instruments improvement are suggested in the article. It is proposed to develop a number of regulatory acts needed by reason of the blanket character of the Federal Defense Act. Among these are: The Armed Forces of the Russian Federation Act, The Operational Equipment of the Territory of the Russian Federation for the Purpose of Defense Act, The Armed Forces of the Russian Federation Management and Control during the War Act, etc. Problems of the social relations legal regulation in the defense and security sphere are systemic and complex, require a constant attention on the part of government agencies and a painstaking daily work of legislators. It should facilitate bringing the defense and military security system of the Russian Federation to a fundamentally different, whole new level relevant to the present level of external and internal threats.