|
encrypted communication : 10 phrases in 4 subjects |
| Information security and data protection | 3 |
| Military | 3 |
| Security systems | 3 |
| Telecommunications | 1 |
|
encrypted communication : 10 phrases in 4 subjects |
| Information security and data protection | 3 |
| Military | 3 |
| Security systems | 3 |
| Telecommunications | 1 |