| Abbreviation | Definition |
|---|---|
| NSPMC | Nigeria Security Printing and Minting Company |
| NSPMC | Nigeria Security Printing and Minting Corporation |
| NSPMC | Nigerian Security Printing and Minting Company |
| NSRL | National Software Reference Library |
| NSS | National Security Systems |
| NSS | Nuclear Security Summit |
| NSSP | National Security Scholars Program |
| NSSP | National Security Scholarship Program |
| NSSP | National Security Studies Program |
| NSSTC | National Security Science and Technology Centre |
| NSTISSAM | National Security Telecommunications and Information Systems Security Advisory Memorandum |
| NSVT | Network Security and Vulnerability Technician |
| NSVT | Network Security Vulnerability Technician |
| NTAV | Never Trust and Always Verify |
| NWS | Non-Working Software |
| NYCRR | NYDFS Cybersecurity Regulation |
| OAEP | Optimal Asymmetric Encryption Padding |
| OASK | Ottawa Area Security Klatch |
| OCCP | Open Cyber Challenge Platform |
| OCPS | Optimization of Cyber Physical Systems |