This article is affected by role of security dimensions in various political, military, economic, social, cultural spheres, the complexity of the situation, different variables, variation of threats, transregional, regional and internal challenges, diversity of international and regional actors. Because of the inadequacy of security strategies in the existing schools, the present paper will try to extract dimensions of security on the basis of security strategy and current scientific model of security in security schools through exploratory studies. This paper that is result of a research project is an applied research in terms of its purpose, and its analysis level has descriptive and analytical nature, and its approach and method is based on library method. Also required data has been collected by library studies and use of note taking on cards or index cards. In process of the research, two main questions are discussed: what is the sustainable security strategy in the political system of Islam from the perspective of Nahjolbalaghe. And what are foundations, framework and principles of the security in the political system of Islam from the perspective of Nahjolbalaghe. Accordingly, criterion and scale of the researcher for collecting data in order to answer the research questions logically and reasonably is some indicators such as fundamental values and ideals of security, security reference, security theories (security for whom or what, security vis-a-vis who or what, security or direction in what kind of context, security in what level or the amount). Dimensions of security provide five capacities for the political system of Islam from the perspective of Nahjolbalaghe that is addressed in the section of conclusion.