1. Any process, program, or protocol relating to the use of the Internet or an intranet, automatic data processing or transmission, or telecommunication via the Internet or an intranet; and

2. any matter relating to, or involving the use of, computers or computer networks. (Cybersecurity Act of 2009).

Source: Terms & Definitions of Interest for DoD Counterintelligence Professionals, Office of the National Counterintelligence,

3. Relating to, involving, or characteristic of computers, computer networks, information and communications technology (ICT), virtual systems, or computer-enabled control of physical components.

Source: U.S. Cyberspace Solarium Commission, March 2020,