In the international society, new syndrome in cyber terror and war is vividly on the road of future military ventures which could be the core resource to determine military competition and capability by upgrading conventional military power. Less military expenses will bring out more military effects but it absolutely counts on high quality of cyber techniques on war or terror. Especially, major countries in Northeast Asia have strong potential related to cyber terror and war based on advanced cyber techniques as national military strategy. China, Russia, and North Korea are main countries which develop cyber techniques for military exploitation. On the other hand, South Korea and the U.S. started to recognize its importance after serious cyber attacks from North Korea. This book mainly investigates the current cyber techniques in Asia-Pacific areas and deals with the strategy how to defeat. It will find out cyber terror and war as future power and analyze its overall aspects in detail to bring out effective military strategy.