• 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.
• Versatile compatibility: Supported by Google and Microsoft accounts, password managers and hundreds of other popular services. It works with Windows, macOS, ChromeOS and Linux. "Works With YubiKey" lists compatible services.
• FIDO-only protocols: Security Key Series is the more affordable security key supporting only FIDO2/WebAuthn (hardware bound passkey) and FIDO U2F authentication protocols. For improved compatibility upgrade to 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. Securely manufactured in Sweden.

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.

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

Broad ecosystem
Deploy instantly with Centrify, Ping, Okta, Google and more.

Configurable
Easily configure multiple protocols across computers, networks, and online applications and services.

Easy to use
No battery or network connectivity required, users simply insert and tap to authenticate.

High quality
Built to last with glass-fiber reinforced plastic. IP68 rated (water and dust resistant), crush resistant, no batteries required, no moving parts.

Trusted partner
The YubiKey is deployed and loved by 9 of the top 10 internet brands and by millions of users.

FIDO Only
YubiKey Security Key Series supports WebAuthn, FIDO2 CTAP1, FIDO2 CTAP2, FIDO2 CTAP2.1, Universal 2nd Factor (U2F).

Works with
Facebook, Twitter, Google Account, Microsoft account, Salesforce.com, Dropbox, Keeper®, 1Password, Bitwarden Premium, AWS Identity and Access Management (IAM), Duo Security, Forgerock, Idaptive, Microsoft Azure AD, Okta, OneLogin, Ping Identity.

Yubico authenticator app
Manage passkeys, FIDO2 PIN on desktop version - Upgrade to the YubiKey 5 Series for use of OATH and PIV credentials with the Yubico Authenticator App.

Mobile
Provides tap-and-go authentication on NFC-enabled Android & iOS devices.

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