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Security Key Yubico YubiKey FIDO2 U2F, USB-A, NFC, blue
Security Key Yubico YubiKey FIDO2 U2F, USB-A, NFC, blue Security Key Yubico YubiKey FIDO2 U2F, USB-A, NFC, blue Security Key Yubico YubiKey FIDO2 U2F, USB-A, NFC, blue Security Key Yubico YubiKey FIDO2 U2F, USB-A, NFC, blue Security Key Yubico YubiKey FIDO2 U2F, USB-A, NFC, blue

Security Key Yubico YubiKey FIDO2 U2F, USB-A, NFC, blue

Brand: Yubico
BAR Code: 5060408461952
SKU Code: 256
User Code: FLAYUB014
Warranty: 1 year
In stock ( 27 )
In stock

Product details


  • Strong first and second factor hardware based authentication
  • Easy and fast authentication with a simple touch
  • No client software or drivers need to be installed
  • Attaches to your keychain for convenience
  • Made in the USA and Sweden to precise durability standards.
  • Waterproof and crush-resistant
  • Always on and accessible, no battery


  • Works on Microsoft Windows, Mac OS X, Linux, Chrome OS operating systems, and on major browsers with U2F or FIDO2 support
  • Supported protocols: U2F and FIDO2
  • Secure element hardware to protect cryptographic keys
  • Crypto Algorithms: ECC p256
  • Interface: USB-A and NFC
  • Size: 18mm x 45mm x 3.3mm
  • Weight: 3.6 g

More about Universal 2nd Factor (U2F)

FIDO2 is an open authentication standard that consists of the W3C Web Authentication specification (WebAuthn API), and the Client to Authentication Protocol (CTAP). CTAP is an application layer protocol used for communication between a client (browser) or a platform (operating system) with an external authenticator (Security Key by Yubico).
FIDO2 offers the same high level of security as FIDO U2F, as it is also based on public key cryptography and is intended to solve multiple user scenarios including strong first factor (passwordless), strong second factor, and multi-factor authentication. With these new capabilities, the hardware security key can entirely replace weak static username/password credentials with strong hardware-backed public/private-key credentials. These credentials cannot be reused, replayed, or shared across services, and are not subject to phishing and MiTM attacks or server breaches.
Yubico is a core contributor to the CTAP protocol, and the specification is hosted by the FIDO Alliance.

Flexible Authentication

FIDO2 and the Security Key offer new flexibility for authentication, enabling new use case scenarios and experiences, including:

  • strong first factor with possession of the device, allowing for a passwordless experience like tap and go
  • second factor for two factor authentication
  • multi-factor with possession of the device and PIN, solving high assurance requirements such as financial transactions and ordering a prescription


The Security Key by Yubico combines hardware-based authentication, public key cryptography, and the U2F and FIDO2 protocols to eliminate account takeovers.  It provides the strongest level of authentication to Twitter, Facebook, Gmail, GitHub, Dropbox, Dashlane, Salesforce, Duo, Centrify and hundreds more U2F and FIDO2 compatible services.
No additional software is required and authentication is easy, fast, and reliable.  Simply insert the Security Key into a USB-A slot and authenticate with a simple touch or scan it with a NFC-enabled device.
It is strong first or second factor authentication that does not require a battery nor network connectivity so it is always on and accessible.


Device Type Secure USB key
USB connection type A
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