| Abbreviation | Definition |
|---|---|
| CTL | Certificate Trust List |
| CTVS | Cap Token Verification Service |
| CUSIP | Committee of Uniform Security Identification Procedures |
| CVI | Cyber Viral Implant |
| CVP | Content Vector Protocol |
| CVTP | Certified Vaulting Technology Professional |
| CVV | Card Verification Value |
| DACS | Distributed Access Control System |
| DBDP | Disk Based Data Protection |
| DBM | DataBase Maintenance |
| DC | Double Check |
| DCC | Distributed Checksum Clearinghouse |
| DCHT | Development Capricorns Hack Team |
| DCMS | Distributed Certificate Management System |
| DCP | Data Compression Protocol |
| DCS | Device Control String |
| DCS | Disaster Control Squad |
| DDRM | Dynamic Digital Right Management |
| DEA | Data Encryption Algorithm |
| DES/CBC | Data Encryption Standard/Cipher Block Chaining |