Cyberspace

A global domain within the information environment consisting of the interdependent network of information systems infrastructures including the Internet, telecommunications networks, computer systems, and embedded processors and controllers.

See the following for more information:

NIST SP 800-30 Rev. 1 under Cyberspace from CNSSI 4009

NIST SP 800-39 under Cyberspace from CNSSI 4009

The interdependent network of information technology infrastructures that includes the Internet, telecommunications networks, computer systems, and embedded processors and controllers in critical industries.

See the following for more information:

NIST SP 800-160 Vol. 2 Rev. 1 from CNSSI 4009-2015, NSPD-54/HSPD-23

NIST SP 800-53 Rev. 5 from CNSSI 4009-2015

The complex environment resulting from the interaction of people, software and services on the Internet by means of technology devices and networks connected to it, which does not exist in any physical form.See NISTIR 8074 Vol. 2 under Cyberspace for more information.

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