Electronics Security (ELSEC)

The protection resulting from all measures designed to deny unauthorized persons information of value that might be derived from their interception and study of non-communications electromagnetic radiations, e.g. radar.

Protection resulting from measures designed to deny unauthorized persons information derived from the interception and analysis of noncommunications electromagnetic radiations. [INFOSEC-99] 2. The protection resulting from all measures designed to deny unauthorized persons information of value that might be derived from their interception and study of noncommunications electromagnetic radiations, e.g., radar. [JP 1-02]