### Question
How is the term information system defined?


### Answer
The term **information system** is defined in *6 U.S.C. § 665i* as the following:

> given such term in section 1501(9) of this title.

#### Citation:
  - *6 U.S.C. § 665i*
  - Heading: **CHAPTER 1-HOMELAND SECURITY ORGANIZATION > SUBCHAPTER XVIII-CYBERSECURITY AND INFRASTRUCTURE SECURITY AGENCY > Part A-Cybersecurity and Infrastructure Security**

