Concealing or altering of characteristic communications patterns to hide information that could be of value to an adversary. [INFOSEC-99]

1. Deliberate transmission, retransmission, or alteration of communications to mislead an adversary's interpretation of the communications. [NIS]
2. Use of devices, operations, and techniques with the intent of confusing or misleading the user of a communications link or a navigation system. [JP 10-2]

Technical and intelligence information derived from foreign communications by other than the intended recipients. [JP 1-02]

1. The portion of electronic jamming that is directed against communications circuits and systems.
2. The prevention of successful radio communications by the use of electromagnetic signals, i.e., the deliberate radiation, reradiation, or reflection of electromagnetic energy with the objective of impairing the effective use of electronic communications systems.
Note: The aim of communications jamming is to prevent communications by… (Read More →)

An organization of stations capable of direct communication on a common channel or frequency. [JP 1-02] Synonym net.

See net operation.

An organization of stations capable of intercommunications, but not necessarily on the same channel. [JP 1-02]

A computer embedded in a communications system.
Note 1: An example of a CPU is the message data processor of a DDN switching center.
Note 2: CPU is also an abbreviation for central processing unit of a computer.

[An] analytic model of communications associated with an organization or activity. The model is prepared from a systematic examination of communications content and patterns, the functions they reflect, and the communications security measures applied. [INFOSEC-99]

The application of communications security (COMSEC) measures to telecommunications systems in order (a) to deny unauthorized persons access to sensitive unclassified information of value, (b) to prevent disruption of telecommunications services, or (c) to ensure the authenticity of information handled by telecommunications systems.