Definition(s)
Cyberspace
The interdependent network of information technology infrastructures, that includes the Internet, telecommunications networks, computer systems, and embedded processors and controllers.
Adapted from: NSPD 54/HSPD -23, CNSSI 4009, NIST SP 800-53 Rev 4.
Source: NICCS™ Portal Cybersecurity Lexicon, National Initiative for Cybersecurity Careers and Studies (https://niccs.us-cert.gov/glossary) as of 11 November 2015, Global Standards