Introducing U2F support for secure authentication

Making sure only you can access your account is an important part of keeping Dropbox safe. Today, we’re adding Universal 2nd Factor (U2F) security keys as an additional method for two-step verification, giving you stronger authentication protection.

Universal 2nd Factor - Wikipedia

FIDO - WSO2 Identity Server Documentation

Authentication through FIDO U2F & UAF - Cybersecurity - Safe Network Forum

How To: Dropbox and Strong, Simple Two-Factor Authentication with YubiKey FIDO U2F Security Key on Vimeo

1 Introduction — NIST SP 1800-13 documentation

nRF52 FIDO U2F Security Key

Token2, Token2 T2F2-NFC-Dual FIDO2, U2F and TOTP Security Key with NFC, USB-A and USB-TypeC Connectors, TOKEN2 MFA Products and Services

WebAuthn two-factor authentication (TfaWebAuthn) - ProcessWire Module

What is Universal 2nd Factor (U2F) and why do you need it?

Thetis FIDO2 BLE Security Key