Coordinating both the expertise and efforts of the various law enforcement, public safety, and private sector entities involved in the massive endeavor of securing a country is extremely complex. It involves the collaboration of personnel across all branches of government and in the private sector.
The homeland security threat in the United States has changed since 9/11. The adversaries of the United States constantly revise and improve their threats and tactics. Like living organisms, the groups who wish to inflict harm on the U.S. financial infrastructure evolve and adapt to their environment. The manner by which these threats are confronted must include agility, flexibility, and a willingness to seek new and improved ways to overcome the threats.