### Question
What is the definition of online service?


### Answer
The definition of **online service** is as follows in *6 U.S.C. § 665g*:

> any internet-facing service, including a website, email, virtual private network, or custom application

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

