YubiKey 4C


YubiKey is a configurable USB security key. It will look good on your keychain, in your wallet or just in the USB port of your PC. Manufactured without any moving parts or batteries (passive USB HID) this device is waterproof and resistant to physical damage while remaining as convenient as a simple Flash-drive.

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YubiKey is a tiny USB smartcard authorization key. It requires physical presence of your key to prevent any unauthorized access to your sensitive information. Whether you own a Microsoft Windows, Mac OS, Linux, or a Chrome OS device – YubiKey will provide your device with the next level of security and YubiKey supports multiple protocols and can be used with virtually any two-factor authentication (2FA) or two-step verification (2SV) service including, but not limited to Gmail, Github, DropBox, Docker, Centrify. It can be configured for PC login (Windows, Linux, Mac OS) with easiness of a USB flash drive – plug-in and press the button or edge. You wouldn’t even need to install any software!

  • It features one of the highest levels of security – ECC p384, ECC p256, RSA 4096, RSA 2048, FIPS 140, PIV, OpenPGP, OATH-TOTP, and OATH-HOTP while being in a form of a small flash drive. YubiKey allows you to sign, encrypt and decrypt messages without any compromise for security of your private keys to the outside world.
  • You can take your YubiKey anywhere – be it a water park or mountain hiking, absence of any batteries (passive USB HID) or moving parts make your YubiKey virtually indestructible.
  • People all around the world use YubiKeys for 2FA or 2SV because they’re the easiest, most secure, and actually affordable.


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