It is difficult to overestimate the historical significance of for a man and society. The protection of is carried out both by an owner directly, and by the state on behalf of law enforcement bodies. A set of elements of legal protection is the mechanism for provision. Nowadays, as the part of science (SOS) development, scientific research of national various areas is of particular importance. Law is the main tool for national provision. The legal means make it possible to ensure the of an individual, society and a state in a comprehensive manner. The article reflects the results of the category property security study, primarily from the theoretical and legal positions, including the study of the conceptual apparatus, as well as the place of in the national system. Besides, they considered civil-law and criminal-legal mechanisms for its provision. In the authors' opinion, is an integral part (kind) of national along with economic, information, environmental and other types. The authors came to the conclusion that is ensured in the unity of three legal mechanisms: the exercise of self-defense right by an owner; a civil-law mechanism for and, above all, vindication provision; criminal-legal means of provision.