| Acronym | Meaning |
| JEIDA | Japan Electronic Industry Development Association |
| RC4 | RC4 Stream Cipher (Rivest Cipher 4) |
| ESP | Eudora Sharing Protocol |
| APWG | Anti-Phishing Working Group |
| MDA | Monochrome Display Adapter |
| EDI | Electronic Data Interchange |
| MDIS | Metadata Interchange Specification |
| ADVEIS | Anti-Virus Dependent Vulnerabilities In E-mail Infrastructure Security |
| TFT | Thin Film Transistor |
| ANSA | Adaptive Network Security Alliance |