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Subject
- Security classification (Government documents)43
- Evaluation8
- Security measures7
- National security6
- Defense information, Classified5
- United States5
- Computer security4
- United States. Arms Control and Disarmament Agency4
- United States. Department of Defense4
- Auditing3
- Government information3
- Official secrets3
- Procurement3
- United States. Department of Energy3
- Access control2
- Armed Forces2
- Contractors2
- Defense contracts2
- Defense industries2
- Due process of law2