Yubikey 4 USB Auth Device
YubiKey 4 is a small USB device supporting multiple authentication and cryptographic protocols. With a simple touch, YubiKey protects access to computers, networks, and online services for everyone from individual consumers to the world's largest organizations. YubiKey 4 works on Microsoft Windows, Mac OS X, Linux operating systems; and on major browsers.
Note: If you require NFC, the YubiKey NEO communicates using both USB and NFC.
Where can you use your Yubikey?
Use the YubiKey 4 to secure a wide range of applications, including remote access and VPN, password managers, computer login, development platforms, content management systems, popular online services, and much more. Log in to your Facebook, Gmail, Google, GitHub, or Dropbox accounts using the emerging FIDO Universal 2nd Factor (U2F) protocol, and sign your code with Docker.
What can your Yubikey do?
One single YubiKey 4 supports multiple authentication protocols, including Yubico One-Time Passwords, OATH (TOTP or HOTP), smart card (PIV), Open PGP, and the emerging FIDO U2F protocol. Hardware secure elements guard your encryption keys. Free and open source software tools are available for download from the Yubico website so you can personalize and configure the YubiKey yourself. Yubico changes the game for strong authentication, providing superior security with unmatched ease-of-use. Find out more at yubi.co.