How does the YubiKey Bio C authenticate you when logging in?

It uses passwordless multi-factor authentication with your fingerprint through the built-in biometric authenticator, and PIN can be used as a fallback. You simply plug it into a USB-C port and authenticate with your fingerprint.

YubiKey C Bio (FIDO Edition)

Q: Which systems and services is the YubiKey Bio C (FIDO Edition) compatible with?

It is supported by Google and Microsoft accounts, identity access managers, password managers, and hundreds of other popular services. It works with Windows, macOS, Chrome OS, Linux, Chrome, and Edge.

Yubico - YubiKey Bio C (FIDO Edition) - Multi-Factor Authentication (MFA) Security Key and Passkey - USB-C

Keep your online accounts safe from account takeovers and experience frictionless passwordless login with the YubiKey Bio C - FIDO Edition.
Secure and convenient: Passwordless MFA login with the YubiKey Bio authenticator and biometric information using a fingerprint, with a PIN as a fallback. Simply plug in via USB-C and use your fingerprint to authenticate.
Versatile compatibility: Supported by Google and Microsoft accounts, Identity Access Managers, password managers and hundreds of other popular services. It works with operating systems and browsers including Windows, macOS, Chrome OS, Linux, Chrome, and Edge. See our "Works With YubiKey" catalog for additional compatible services. The YubiKey Bio Series is built primarily for desktops.
FIDO-only protocols: YubiKey Bio - FIDO Edition supports FIDO2/WebAuthn (hardware bound passkey) and FIDO U2F authentication protocols only. For improved compatibility, we recommend upgrading to the YubiKey 5 Series.
Durable and reliable: High quality design and resistant to tampering, water, and crushing. No batteries or network connectivity required, offering dependable authentication without any downtime. Manufactured in Sweden. Programmed in the USA.

Yubico YubiKey Bio C (FIDO Edition) USB-C Multi-Factor Authentication (MFA) Security Key and Passkey

YubiKey C Bio - FIDO Edition (USB-C)

The gold standard in biometric authentication

Keep your online accounts safe from account takeovers and experience frictionless passwordless login with the YubiKey Bio C - FIDO Edition.

Secure and convenient

Passwordless MFA login with the YubiKey Bio authenticator and biometric information using a fingerprint, with a PIN as a fallback. Simply plug in via USB-C and use your fingerprint to authenticate.

FIDO-only protocols

YubiKey Bio - FIDO Edition supports FIDO2/WebAuthn (hardware bound passkey) and FIDO U2F authentication protocols only.

Versatile compatibility

Supported by Google and Microsoft accounts, Identity Access Managers, password managers and hundreds of other popular services. It works with operating systems and browsers including Windows, macOS, Chrome OS, Linux, Chrome, and Edge. The YubiKey Bio Series is built primarily for desktops.

See our "Works With YubiKey" catalog on https://www.yubico.com/works-with-yubikey/catalog/?sort=popular for additional compatible services.

EMAIL & PRODUCTIVITY

PASSWORD MANAGERS

PERSONAL FINANCE

SOCIAL

Durable and reliable

High quality design and resistant to tampering, water, and crushing. No batteries or network connectivity required, offering dependable authentication without any downtime. Manufactured in Sweden. Programmed in the USA.

Yubico Authenticator App

Manage passkeys, FIDO2 PIN, FIDO2 biometrics on desktop version - Upgrade to the YubiKey 5 Series (Sold separately) for use of OATH and PIV credentials with the Yubico Authenticator App.

Set up instructions

In four simple steps:

1. Log in to the service

you want to secure and check if it supports security keys. See a list of supported services that Work with YubiKey.

2. Go to the security settings

and look for the option to add two-factor authentication or security keys. Setup instructions may vary.

3. Follow the instructions

to register your YubiKey by plugging it in or tapping it on your device.

4. You're now ready to use your YubiKey!

Remember to register a spare key in case of lost or theft of your primary key.

Use Cases

Passwordless Multi-Factor Authentication (MFA) – Authenticator + Biometric or Authenticator + PIN: The fingerprint enables biometric authentication for greater convenience.

Strong Two Factor Authentication (2FA) – Password + (Authenticator + Biometrics): The fingerprint sensor verifies user identity via a fingerprint instead of touch or tap, which verifies user presence.