| Acronym | Definition |
|---|
| ZDI➣Zero Day Initiative (3Com/Tippingpoint) |
| ZDI➣Zero Day Initiative |
| ZDI➣Zimbabwe Defence Industries |
| ZDI➣Zamojska Dyrekcja Inwestycji (Polish: Zamosc Investment Management; Zamosc, Poland) |
| ZDI➣Zilog Debug Interface (debugging software) |
| ZDI➣Zentrale Dienste Informatik (German: Central Services Computer Science) |
| ZDI➣Zamudio Data Information Systems (California) |
| ZDI➣Zentralverband Deutscher Ingenieure eV (German: Central Association of German Engineers; Munich, Germany) |