 |
| |||
| countersurveillance; surveillance countermeasures | |||
| противодействие наблюдению: 22 phrases in 3 subjects |
| Information security and data protection | 3 |
| Military | 13 |
| Security systems | 6 |
|
| |||
| countersurveillance; surveillance countermeasures | |||
| противодействие наблюдению: 22 phrases in 3 subjects |
| Information security and data protection | 3 |
| Military | 13 |
| Security systems | 6 |