YubiKey

Protect your online identity with a second-factor authenticator that provides unmatched level of security.

YubiKey is an innovative USB and NFC security key. It offers an easy and secure way to log in when static passwords are being hacked at scale, and SMS and other authentication technologies cannot offer enough protection against phishing and more sophisticated attacks.

Instant Integration

the modern high security standard for web authentication. U2F-enabled security keys, such as YubiKeys, work instantly with leading online services including Facebook, Gmail, Dropbox, and many more.

Indestructible

Crush-safe, water-resistant, even washing machine resistant! Fits nicely on a keychain with your home or car keys.

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Top-notch security

Offering an easy and secure way to log in when static passwords are being hacked. SMS and other authentication technologies cannot offer enough protection against phishing and more sophisticated attacks.

Trusted by millions

YubiKey secures access to online services, computers, and networks for 9 of the top 10 internet companies, and is loved by millions in 160 countries.

Security made easy

YubiKey 4

Millions of people use YubiKeys for 2FA because they’re the easiest to use, super secure, and affordable. Plug in your YubiKey and tap it to log in to your computers, networks, and online services. Keep one on your keychain with the key to your house/car, and a second YubiKey in a safe place as a backup.

YubiKey 4 fits on your keychain and plugs into USB-A ports

YubiKey 4C fits on your keychain and plugs into USB-C ports

YubiKey 4 Nano is perfect for semi-permanent installation and plugs into USB-A ports (Lanyard add-on available)

All-in-one configurable security key

Different services use different types of security protocols. YubiKeys are capable of performing multiple protocols, so you can use the same key for almost an unlimited number of services.

YubiKey NEO

In a single device, the YubiKey NEO has both contact (USB) and contactless (NFC, MIFARE) communications. It supports one-time password, smart card functionality, including OpenPGP and PIV, and the emerging FIDO Alliance Universal 2nd Factor (U2F) protocol.

If NFC is not required, or if the smaller Nano form factor is preferred, we recommend customers purchase the YubiKey 4 or YubiKey 4 Nano, our latest generation YubiKey, which include stronger and faster crypto.

WHERE YOU CAN USE YUBIKEY NEO

The YubiKey NEO can be used for securing access to a wide range of applications, including remote access and VPN, password managers, computer login, FIDO U2F login (Gmail, GitHub, Dropbox, etc) content management systems, popular online services, and much more. Find out more about the range of open source and enterprise solutions on our YubiKey for Business and YubiKey for Individuals pages.

YubiKey FIDO

The FIDO U2F Security Key by Yubico is a specially designed YubiKey, relying on high-security, public-key cryptography. Durable and conveniently sized, just slide it out of its protective sleeve, insert it into any USB port, and it works with any website that supports the FIDO U2F protocol, such as Facebook, Google’s Gmail, Google Cloud and G Suite, GitHub, Dropbox, and Dashlane. And all it takes is a simple touch of a button!

The skinny on universal 2n factor (U2F)

FIDO U2F is an emerging open authentication standard, with native support in platforms and browsers. U2F breaks the mold for high security public key authentication, removing the complexity of drivers, specialized client software, and the traditional costly CA model. With FIDO U2F, one single YubiKey supports any number of online services, with no user information or encryption keys shared between the service providers. Learn more about FIDO U2F.

Compare YubiKeys
YUBIKEY 4 YUBIKEY 4 NANO YUBIKEY 4C YUBIKEY NEO FIDO U2F SECURITY KEY
Availability YubiKey 4

Product details

$40 per key

YubiKey 4 Nano

Product details

$50 per key

YubiKey 4C

Product details

$50 per key

YubiKey NEO

Product details

$50 per key

FIDO U2F Security Key

Product details

$18 per key

USB authentication key, including strong crypto and touch-to-sign, plus One-Time-Password, smart card, and FIDO U2F; three form factors
Learn more about the YubiKey 4 series
Combines USB and NFC for mobile communication, enables One-Time Password, smart card, and FIDO U2F authentication USB authentication key that works instantly with any service that supports FIDO U2F
YubiKey 4 YubiKey 4 Nano YubiKey 4C YubiKey NEO FIDO U2F Security Key
 Size 18mm x 45mm x 3.3mm, 3g 12mm x 13mm x 3.1mm, 1g 12.5mm x 29.5mm x 5mm, 2g 18mm x 45mm x 3.3mm, 3g 18mm x 45mm x 3.3mm, 3g
Functions YubiKey 4 YubiKey 4 Nano YubiKey 4C YubiKey NEO FIDO U2F Security Key
Secure Static Passwords yes yes yes yes no
Yubico OTP yes yes yes yes no
OATH – HOTP (Event) yes yes yes yes no
OATH – TOTP (Time) no
PIV-Compliant Smart Card yes yes yes yes no
OpenPGP yes yes yes yes no
FIDO U2F (Universal Second Factor) yes yes yes yes yes
Secure Element yes yes yes yes yes
Top Applications YubiKey 4 YubiKey 4 Nano YubiKey 4C YubiKey NEO FIDO U2F Security Key
Google Accounts yes yes yes yes yes
Facebook Accounts yes yes yes yes yes
GitHub yes yes yes yes yes
Docker yes yes yes yes no
Dropbox yes yes yes yes yes
Salesforce yes yes yes yes yes
LastPass Premium password manager yes yes yes yes no
Dashlane Premium password manager yes yes yes yes yes
Many more applications yes yes yes yes yes
Certifications YubiKey 4 YubiKey 4 Nano YubiKey 4C YubiKey NEO FIDO U2F Security Key
FIDO Certification™ program yes yes yes yes
FIPS 140 Certification no no
Communications Support YubiKey 4 YubiKey 4 Nano YubiKey 4C YubiKey NEO FIDO U2F Security Key
USB-A yes yes no
USB-C no no yes no no
NFC (Near Field Communication) no no no yes no
Device Type YubiKey 4 YubiKey 4 Nano YubiKey 4C YubiKey NEO FIDO U2F Security Key
HID Keyboard yes yes yes yes no
CCID Smart Card yes yes yes yes no
FIDO U2F (Universal Second Factor) HID device yes yes yes yes yes
Cryptography Specifications YubiKey 4 YubiKey 4 Nano YubiKey 4C YubiKey NEO FIDO U2F Security Key
RSA 2048 yes yes yes yes no
RSA 4096 yes yes yes no no
ECC p256 yes yes yes yes yes
ECC p384 yes yes yes no no
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