In The United States Since The End Of The 20th Century Cyberspace Security Strategy Research

Since the end of the twentieth Century, with the global popularity of the Internet, the network has become the indispensable important infrastructure. At the same time, the development and application of network technology, brought new threats and challenges to the national security -- network security issues have become increasingly prominent. To raise awareness of the importance of network security, to strengthen the network security strategy research crunch time.In this paper, on the base of discussing the concept of information security and network security, In the light of the ambiguous situation for the use of these two concepts, from both the academic circles at home and abroad , at the strategic level, I put forward a new point of view as " Cyberspace Security" should be better. After a time as a clue, from the legislative, judicial, administrative, defense, training five aspects to the United States the main information security management framework, important policies and regulations and the practice, and summed up the United States cyberspace security strategy 's characteristics in different periods, especially during the Obama's administration ; through analysis on current International, occurring most new and most important cyberspace security incident, I anylysis both of the offensiveness and vulnerability of the United States CyberSpace Security Strategy. On the base of above,I also forecastthe the development trends of Cyberspace security policy of America. After summing up the enlightenments of American Cyberspace Security Strategy on China , I put forward suggestions to strengthen China's Cyberspace Security .