Security Key

Protect popular online service accounts with Yubico hardware security keys

Modern authentication, easy-to-use

Flexible Authentication

Choice of strong single factor (passwordless), two-factor (2FA) or multi-factor authentication (MFA).

Secure the accounts you love

Strongest authentication for any U2F and FIDO2 compatible service.


No additional software or battery is required and authentication is easy, fast, and reliable.

How the YubiKey works

Register your YubiKey

To use the YubiKey, go to the Security Settings of a supported service and select two-factor authentication.

Tap on phone

On a computer, insert the YubiKey into a USB-port and touch the YubiKey to verify you are human and not a remote hacker.

Tap on phone

For NFC-enabled phones, just tap a YubiKey NFC against the phone to complete authentication. Hold the key to the phone for secure authorization.

Security Key NFC

Strong authentication across leading mobile platforms

Support for USB-A and NFC

Waterproof and crush resistant