| Abbreviation | Definition |
|---|---|
| MTBF | Mean Time Between Failures |
| NAE | Network Attached Encryption |
| NBSC | National Biopharmaceutical Security Council |
| NC3 | National CyberCrime Coordination unit |
| NCAS | National Cyber Awareness System |
| NCCDC | National Collegiate Cyber Defense Competition |
| NCCoE | National Cybersecurity Center of Excellence |
| NCCU | National Cyber Crime Unit |
| NCDI | National Cyber Defense Initiative |
| NCDOC | Navy Cyber Defense Operations Command |
| NCFC | Northeast Cyber Forensics Center |
| NCL | National Cyber League |
| NCO | NAS Cyber Operations |
| NCPO | National Cyber Policy Office |
| NCRC | National Cyber Range Complex |
| NCSA | National Cyber Security Alliance |
| NCSD | National Cyber Security Division |
| NCWA | National Cyber Warrior Academy |
| NDE | National Digital Encryption |
| NDSA | Network Device Security Assessment |