### Question
Can you define what national security system means?


### Answer
**National security system** is defined as the following in *6 U.S.C. § 660*:

> given the term in section 11103 of title 40.

#### Citation:
  - *6 U.S.C. § 660*
  - Heading: **CHAPTER 1-HOMELAND SECURITY ORGANIZATION > SUBCHAPTER XVIII-CYBERSECURITY AND INFRASTRUCTURE SECURITY AGENCY > Part A-Cybersecurity and Infrastructure Security**

