<p>Problems related to social security can be seen in various aspects as a particular type of security. In the literature in the field of political science, economics, sociology or science of safety there are different concepts characterizing this category. The issue of social security is a complex and ambiguous-reproductive, because this phenomenon is dynamic and dependent on many factors. The work is an attempt to answer the question of what are the theoretical foundations of social security on the basis of the teachings of the safety and whether it can enter other, closely related to national security category, concepts, eg. social security of the nation. The reference point for discussion is the system of national security. The author p...