Get the YubiKey, the #1 security key, offering strong two factor authentication from industry leader Yubico.

Built primarily for desktop and designed to offer strong biometric authentication options, the YubiKey Bio Series offers the hallmark hardware security of Yubico, combined with a new user experience.

The name "YubiKey" derives from the phrase "your ubiquitous key" and "yubi", the Japanese word for finger, emphasising the YubiKey's versatility and the physical touch used to verify the user's presence.

YubiKey 5 is our most versatile security key supporting authentication to a wide range of services and applications using not only FIDO protocols but also OTP, OATH and Smart card/PIV.

YubiKey 5 Series Multi-protocol security key, eliminate account takeovers with strong two-factor, multi-factor and passwordless authentication, and seamless touch-to-sign. Multi-protocol support allows …

Yubico.com is the source for top-rated secure element two factor authentication security keys and HSMs. Buy YubiKey 5, Security Key with FIDO2 & U2F, and YubiHSM 2. Made in the USA and …

Learn how you can set up your YubiKey and get started connecting to supported services and products. Discover the simplest method to secure logins today.

The YubiKey works with hundreds of enterprise, developer and consumer applications, out-of-the-box and with no client software. Combined with leading password managers, social login and enterprise …

Take our quiz to uncover the YubiKey that fits your unique security needs. Explore our extensive list of supported integrations and compatible platforms. Real-world examples showcasing our security …

In the step-by-step instructions below, the basics are covered including registering your YubiKey with services that support the protocols FIDO2 (passkeys), FIDO U2F, and Yubico OTP.