| Abbreviation | Definition |
|---|---|
| CWIN | Cyber Warning Information Network |
| CWS | Cloud Web Security |
| CWSM | Chinese wall security model |
| CYBER | Cybernetics |
| CYBERZINE | Cyber 'Zine |
| CYBR | Cyber-Care, Inc. |
| CYKE | Cyber Knowledge and Emotion |
| CZD | Cyber Zone Defense |
| DBEE | DataBase Email Encryption |
| DBIF | Detainee Behaviour Intervention Framework |
| DBR | Destroy Before Reading |
| DCCI | Defense Cyber Crime Institute |
| DCCNA | Defending Complex Core Networks from Attacks |
| DCDS | Deployable Cyber Defense System |
| DCIC | Defensive Cyber Industry Consortium |
| DCO | Defensive Cyber Operations |
| DCP | Defense Continuity Program |
| DCPP | Defence Cyber Protection Partnership |
| DCWC | Dutch Cyber Warfare Community |
| DDOS | Distributed Denial Of Service |