Security Key C NFC by Yubico is a hardware security key designed to protect online accounts against phishing and unauthorized account access using strong FIDO2/WebAuthn and FIDO U2F authentication standards.
The key supports both USB-C and NFC (Near Field Communication), allowing users to authenticate on computers and NFC-enabled mobile devices. Simply plug the key into a USB-C port or tap it against a compatible NFC-enabled device to securely authenticate.
Key Features
- Phishing-resistant hardware authentication: Supports FIDO2/WebAuthn and FIDO U2F to help protect against credential theft and phishing attacks.
- Passkey support: Supports hardware-bound passkeys using FIDO2.
- USB-C and NFC: Works with USB-C computers and NFC-enabled smartphones and tablets.
- Simple to use: No battery, network connection, or moving parts are required.
- Cross-platform compatibility: Compatible with Windows, macOS, ChromeOS and Linux, as well as NFC-enabled Android and iOS devices.
- Broad service compatibility: Works with services such as OpenAI, Google Accounts, Microsoft Accounts, 1Password, Bitwarden, AWS IAM, Okta, Duo Security and many other FIDO-enabled services.
- Durable design: Built with glass-fiber reinforced plastic, IP68-rated for water and dust resistance, and designed to withstand crushing.
- Securely manufactured in Sweden: Manufactured under Yubico's security-focused production standards.
Ideal For
- Users who want stronger protection for online accounts
- OpenAI, Google, Microsoft, 1Password and other FIDO-enabled services
- Organizations deploying hardware-based authentication
- Passwordless authentication and passkeys
- Administrator and privileged accounts
- Organizations looking to reduce phishing and account takeover risks
Important Note
The Security Key Series is designed for FIDO-only authentication. It does not support PIV Smart Card, OpenPGP, OATH-TOTP/HOTP or Yubico OTP. For these additional authentication protocols, consider the YubiKey 5 Series.