The course is focused on the study of subjects, processes and other essentials concerning the security of a territory in connection with its sustainable development. Special attention is paid to the problems of protection of protected interests in the territory, i.e. people, infrastructure and environment. As for the content, the course is focused as follows: 1) Society and the territory used by it; 2) Territorial security system; 3) Protected interests of the society in the territory; 4) Impacts of large-scale extraordinary events on the territory; 5) Response to extraordinary events; 6) Territory recovery; 7) Strategic management for planning and sustainable development of the territory; 8) Systems for support; 9) Developmental trends in dealing with security in the territory.