The threats of terrorism are emerging and changing in every step and thus countering terrorism can be a difficult task for the security agencies of the United States. Not only in America, but the whole world tends to struggle when it comes to countering the risks of terrorism. The terrorist strategies are getting stronger and improved and the countries all over the world are struggling to cope with the changing nature of terrorism. During the 1990s, the strategies of terrorism started to shift and the attack of 9/11 is a burning example of how terrorism has changed and emerged into a greater risk