The study had concluded the great importance of how to realize national security threats and their impact on making security policies in countries. The study had tackled various intellectual trends of national security concept and its different levels. In this context, the study recommends adopting comprehensive and integrated concept which links security to development while making security policies. As for security policies, the study reached that policy making is greatly affected by the way security threats are acknowledged and determined as well as studying proportional volumes of national capacities and setting security strategies capable of facing these threats procedurally and factually. Consequently, security policies become the lin...