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| скрытность связи (communications security) | |||
| English thesaurus | |||
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| Communications Secure | |||
| communication security | |||
| Communications Security; Commandeer Security Forces | |||
| communications security | |||
| communications security unit | |||
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| Commonwealth Secretariat | |||
| COMSEC: 14 phrases in 7 subjects |
| Computer networks | 1 |
| Information security and data protection | 1 |
| Information technology | 1 |
| Military | 7 |
| Security systems | 2 |
| Technology | 1 |
| Telecommunications | 1 |