ThinC-AUTH by Ensurity is a FIDO2 certified biometric security key designed for passwordless authentication. It enables secure login to Windows 10 operating systems (Release 1903 or higher) and FIDO2-enabled web applications. ThinC-AUTH utilizes a capacitive fingerprint touch sensor and incorporates a CC EAL5+ certified secure element for cryptographic acceleration. The device supports both Microsoft Entra and Hybrid Azure AD environments, allowing sign-in to Windows on Azure AD and Hybrid Azure AD joined devices.