50 U.S.C. Appx § 2152(2) (2010) (Title 50—Appendix: Defense Production Act of 1950)
[NOTE: See 50 U.S.C. Appx § 2166(a) for information regarding the termination of this section.]
For purposes of this Act [50 U.S.C. Appx. §§ 2061 et seq.], the following definitions shall apply:
(2) Critical infrastructure. The term "critical infrastructure" means any systems and assets, whether physical or cyber-based, so vital to the United States that the degradation or destruction of such systems and assets would have a debilitating impact on national security, including, but not limited to, national economic security and national public health or safety.