YubiKey 5 Series

The #1 security key for strong two-factor, multi-factor and passwordless authentication.

Easy-to-use, strong authentication

Strong two-factor

Hardware authenticator as a second factor, in addition to a password, in a strong two factor authentication solution.

Strong multi-factor

Combination of a hardware authenticator with a PIN to secure high assurance requirements such as financial transactions or submitting a prescription.


Hardware authenticator delivering strong single factor authentication, replacing weak passwords, as part of a rapid but secure tap-n-go experience.

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 for strong security for legacy and modern environments. And a full range of form factors allows users to secure online accounts on all of the devices that they love, across desktops and mobile.

  • Multi-protocol support; FIDO2, U2F, Smart card, OTP, OpenPGP 3
  • USB-A, USB-C, NFC, Lightning
  • IP68 rated: dust tight and water submersible

New! USB-C and NFC all-in-one security key

The YubiKey 5 works with your favorite online applications

The safest way to secure your online accounts.

Get world class authentication security

for less than a cup of coffee per user/month

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