### Question
What does cyber defense operation mean?


### Answer
**Cyber defense operation** has the following meaning in *6 U.S.C. § 665b*:

> the defensive activities performed for a cybersecurity purpose

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

