ThinC-AUTH BioPro by Ensurity is a USB-based security key that supports both Biometric PIV (Personal Identity Verification) and FIDO2 authentication standards. It enables Smart-card logon without requiring a separate card reader and is compatible with Azure AD Certificate Based Authentication (CBA), Local AD SmartCard Login, Remote Desktop Protocol (RDP), and Windows Server machines. The device uses certificate-based authentication to allow enterprise users to securely authenticate and access controlled resources and information systems at the appropriate security level. It also works with Azure Active Directory and Microsoft Account for accessing Microsoft Cloud Services, including Microsoft 365, Microsoft Dynamics 365, and Microsoft Azure, using fingerprint authentication with FIDO2.