The Nuclear Regulatory Commission is charged with formulating and enforcing standards of safety and security at U.S. nuclear power plants. The guiding criteria for the NRC in this capacity is the Energy Policy Act of 2005, which addressed several issues in light of the 9/11 attacks on the World Trade Center.

As a result of several years of study and improvement of conditions by the NRC, nuclear power plants in the USA are now much more heavily and effectively guarded against adversaries, whether their action takes the form of sabotage, theft, cybercrime or direct, violent attack.