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 . [ JP1 ]
ELECTRONICS SECURITY (ELSEC)
Meaning of ELECTRONICS SECURITY (ELSEC) in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012