Built for How Business Buys.
Security Key Series - Security Key C NFC by Yubico
Security in the age of AI supporting FIDO-based authentication and authorization
USB-C, Near Field Communication (NFC)
Keep your online accounts safe from hackers with the Security Key by Yubico. Trustworthy and easy-to-use, it's your key to a safer digital world.
Convenient and portable
The Security Key C NFC fits easily on your keychain, making it convenient to carry and use wherever you go, ensuring secure access to your accounts at all times. Simply plug in via USB-C or tap on your NFC-enabled device to authenticate.
FIDO-only protocols
Security Key Series is the more affordable security key supporting only FIDO2/WebAuthn (hardware bound passkey) and FIDO U2F authentication protocols.
Mobile
Provides tap-and-go authentication on NFC-enabled Android & iOS devices.
Versatile compatibility
Supported by Google and Microsoft accounts, password managers and hundreds of other popular services. It works with Windows, macOS, ChromeOS and Linux.
Our "Works With YubiKey" catalog on https://www.yubico.com/works-with-yubikey/catalog/?sort=popular lists 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 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.


















