WComputer access control
WAuthentication
WAuthorization
WBitium
WDecentralized identifiers
WEverykey
WFinFisher
WFreeOTP
WGigya
WHERAS-AF
WHTTP+HTML form-based authentication
WLogin
WMicrosoft Fingerprint Reader
WMulti-factor authentication
WMultiOTP
WNemID
WOAuth
WOne-time password
WOne-time password
WOrganisation-based access control
WPassWindow
WPrivacyIDEA
WRegistered user
WRemote Utilities
WSelf-sovereign identity
WShamoon
WSIM card
WSIM card
WTwitter verification
WYubiKey