Initially, they worked in combination with a password for dual-factor authentication, but FIDO2 and a related browser technology called WebAuthn expands beyond that to let the company ditch the password altogether. The hardware authentication keys plug into laptop USB ports or, for phones, use Bluetooth or NFC wireless communications to help prove who you are. New versions of Microsoft's Windows 10 operating system and Edge web browser support the technology. Microsoft is using a technology called FIDO2, which employs hardware keys for the no-password logon, the company said Tuesday. You and 800 million other people now can use hardware authentication keys - and no password at all - to log on to Microsoft accounts used for Outlook, Office 365, OneDrive, Skype and Xbox Live.
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