### Question
What does critical infrastructure mean?


### Answer
**Critical infrastructure** has the following meaning in *18 U.S.C. § 2339D*:

> systems and assets vital to national defense, national security, economic security, public health or safety including both regional and national infrastructure

#### Citation:
  - *18 U.S.C. § 2339D*
  - Heading: **PART I-CRIMES > CHAPTER 113B-TERRORISM**

