| Abbreviation | Definition |
|---|---|
| DUKPT | Derived Unique Key Per Transaction |
| DVP | Digital Voice Privacy |
| DVP | Dynamic Virus Protection |
| DWH | Deep and Wide Hash |
| E | Encryption |
| E3 | End-to-End Encryption |
| EA | Extended Attribute |
| EAP | Electronic Authentication Partnership |
| EBB | Encoder Breakout Board |
| EBS | Enterprise Backup Solution |
| EBSI | Enhanced Backup Solutions Initiative |
| EC | Embedded Communication |
| EC | Encryption Control |
| ECA | External Certificate Authority |
| ECC | Electronic Check Conversion |
| ECCO | Emergency Computer Crisis Organization |
| ECDL | Elliptic Curve Discrete Logarithm |
| ECES | Elliptic Curve Encryption Scheme |
| ECL | Encoder Control List |
| ECL | Exit Control List |