In the 21st century, the Information Revolution caused unpredictable kinds of complications. Human society conducts a tactical network war like Swarming. Network war simultaneously consists of merits such as global monitoring and anti-dictatorship campaign, and violent demerits like terrorism. It has been becoming a generalization of terrorism of the present time to build a brotherhood and ideology to commit terrorism. This is considered as new terrorism, a form of network war. Theses days, terror organizations including Al Qaeda establish a brotherly network to commit terrorism when and where they want. New terrorism is a novel form that harms unspecified individuals. In fact, many countries have been experiencing damage from new terrorism. It is becoming an urgent issue to every country to prepare a suitable plan that cope with new terrorism. This dissertation provides defense strategy in macro and micro aspect as a responding scheme to new terrorism.