International Scientific Journals
of Scientific Technical Union of Mechanical Engineering "Industry 4.0"

As result of the analysis of the structure and consistency of the national security and cybersecurity in the national legislation the authors reach the conclusion that the national security in Bulgaria is government function and has system character in line with the complex system theory. The national security system together with the cybersecurity system have fully functionality of the complex system because beside structure, interaction and relations, the system feedbacks, as periodic reports and document review procedures that reshapes the links and relations. The processes of: control as a cycle, security risk management and capability planning are reflected in the national legislation and are prescriptive, as well.