| Abbreviation | Definition |
|---|---|
| WIDJ.1093 | Life is Beautiful virus hoax |
| WIF | Windows Identity Foundation |
| WIPS | Wireless Intrusion Prevention System |
| WISL | Wireless Security Laboratory |
| WKB | Well-Known Binary |
| WKEK | Working Key Encryption Key |
| WKT | Well-Known Text |
| WMVG | WalruS Macro Virus Generator |
| WO | Web Object |
| WPK | Wireless Public Key |
| WPKI | Wireless Public Key Infrastructure |
| WPN | Wifi Protected Network |
| WQK | Variant of the W32/ElKern firus |
| WSA | Wireless Security Auditor |
| WSC | Weldex Security Camera |
| WSPEC | Workshop on Security and Privacy in E-Commerce |
| WSRP | Web Services for Remote Portlets |
| WSS | Web Service Security |
| WSSE | Web Services Security Environment |
| WSSPF | Web Service Security Policy File |