Meet Yubico, the creator of the YubiKey: the #1 security key that works with your favourite applications and services.
Usernames and passwords are not enough to protect your accounts. Using a security key as two-factor authentication is a simple and proven method for protecting your identity, accounts and devices.
The YubiKey is loved by the world’s largest brands and millions of users.
YubiKey works with hundreds of services and applications
What accounts can I secure with YubiKey?
YubiKey works with hundreds of services and applications. Search for "Works With YubiKey" for list of compatible services.
How do I get started using YubiKey?
1. Log in to the service you want to secure and check if it supports security keys.
2. Look for the option to add two-factor authentication or security keys. Setup instructions may vary.
3. Follow the instructions to register your YubiKey by plugging it in or tapping it on your device.
4. You're now ready to use your YubiKey. Remember to register a spare key in case of loss or theft.
What is the difference between YubiKey and Security Key by Yubico?
YubiKey 5 is our most versatile security key supporting authentication to a wide range of services and applications using not only FIDO protocols but also OTP, OATH and Smart card/PIV. It also comes in additional form factors incl. Lightning and Nano, and can be used with the Yubico Authenticator app.
The Security Key by Yubico is the more affordable option that supports FIDO2/WebAuthn and FIDO U2F protocols only. Some common services that use these are Google and Microsoft accounts, Dropbox, X, Coinbase and 1Password.
Protect Your Data at the Speed of Innovation
Tech is the #1 target. Stop phishing and get quick authentication for remote teams.
Fortify Financial Assets with YubiKey
Secure client assets and profiles. Phish-proof, PCI-ready protection for your transactions.
Protect Your Clients and Your Reputation
Protect admin access, meet audit needs and guard high-level admin credentials for client data.
Secure Patient Care Without the Friction
Secure patient data with YubiKey: tap-and-go login, EPCS compliance, and durable, crush-proof keys.
Comparison
 YubiKey 5C NFC |  YubiKey 5 NFC |  YubiKey 5 Nano |  YubiKey 5C Nano |  YubiKey 5Ci |  YubiKey 5C | |
|---|---|---|---|---|---|---|
Customer Reviews | — | — | — | — | — | — |
Price | — | — | — | — | — | — |
USB Port Type | USB-C | USB-A | USB-A | USB-C | USB-C + Lightning | USB-C |
Mobile Authentication via NFC | ? | ? | ? | ? | ? | ? |
Form Factor | Keychain | Keychain | In port | In port | Keychain | Keychain |
Security Key | ? | ? | ? | ? | ? | ? |
Passkey | ? | ? | ? | ? | ? | ? |
Generate OTPs | ? | ? | ? | ? | ? | ? |
Technical specifications
Protect Your Data at the Speed of Innovation
Tech is the #1 target. Stop phishing and get quick authentication for remote teams.
Fortify Financial Assets with YubiKey
Secure client assets and profiles. Phish-proof, PCI-ready protection for your transactions.
Protect Your Clients and Your Reputation
Protect admin access, meet audit needs and guard high-level admin credentials for client data.
Secure Patient Care Without the Friction
Secure patient data with YubiKey: tap-and-go login, EPCS compliance, and durable, crush-proof keys.
Comparison
YubiKey 5C NFC | YubiKey 5 NFC | YubiKey 5 Nano | YubiKey 5C Nano | YubiKey 5Ci | YubiKey 5C |
|---|---|---|---|---|---|
| Customer Reviews | |||||
| — | — | — | — | — | — |
| Price | |||||
| — | — | — | — | — | — |
| USB Port Type | |||||
| USB-C | USB-A | USB-A | USB-C | USB-C + Lightning | USB-C |
| Mobile Authentication via NFC | |||||
| ? | ? | ? | ? | ? | ? |
| Form Factor | |||||
| Keychain | Keychain | In port | In port | Keychain | Keychain |
| Security Key | |||||
| ? | ? | ? | ? | ? | ? |
| Passkey | |||||
| ? | ? | ? | ? | ? | ? |
| Generate OTPs | |||||
| ? | ? | ? | ? | ? | ? |
Technical specifications
| NFC-Enabled | No |
|---|---|
| Authentication methods | Passwordless, strong two factor, strong multi-factor |
| Design & durability | IP68 Water resistant, crush resistant, no batteries required, no moving parts |
| Device type | FIDO HID Device, CCID Smart Card, HID Keyboard |
| Manufacturing | Manufactured in Sweden. Programmed in the USA. |
| Productivity & communication | Google account, Microsoft account, Salesforce.com and more. |
| Password managers | 1Password, Dashlane Premium, Keeper, LastPass Premium and more. |
| Cloud storage | Dropbox, Google Drive, OneDrive and more. |
| Social | Facebook, Twitter, YouTube |
| Identity & access management | AWS Identity and Access Management (IAM), Centrify, Duo Security, Google Cloud Identity, Idaptive, Microsoft Active Directory, Microsoft Azure AD, Okta, Ping Identity |
| Function | WebAuthn, FIDO2 CTAP1, FIDO2 CTAP2, Universal 2nd Factor (U2F), Smart card (PIV-compatible), Yubico OTP, OATH – HOTP (Event), OATH – TOTP (Time), Open PGP, Secure Static Password |
| Certifications | FIDO 2 Certified, FIDO Universal 2nd Factor (U2F) Certified |
| Cryptographic specifications | RSA 2048, RSA 4096 (PGP), ECC p256, ECC p384 |
| Sustainability | Recycle as hardware |
Meet Yubico, the creator of the YubiKey: the #1 security key that works with your favourite applications and services.
Usernames and passwords are not enough to protect your accounts. Using a security key as two-factor authentication is a simple and proven method for protecting your identity, accounts and devices.
The YubiKey is loved by the world’s largest brands and millions of users.
YubiKey works with hundreds of services and applications
What accounts can I secure with YubiKey?
YubiKey works with hundreds of services and applications. Search for "Works With YubiKey" for list of compatible services.
How do I get started using YubiKey?
1. Log in to the service you want to secure and check if it supports security keys.
2. Look for the option to add two-factor authentication or security keys. Setup instructions may vary.
3. Follow the instructions to register your YubiKey by plugging it in or tapping it on your device.
4. You're now ready to use your YubiKey. Remember to register a spare key in case of loss or theft.
What is the difference between YubiKey and Security Key by Yubico?
YubiKey 5 is our most versatile security key supporting authentication to a wide range of services and applications using not only FIDO protocols but also OTP, OATH and Smart card/PIV. It also comes in additional form factors incl. Lightning and Nano, and can be used with the Yubico Authenticator app.
The Security Key by Yubico is the more affordable option that supports FIDO2/WebAuthn and FIDO U2F protocols only. Some common services that use these are Google and Microsoft accounts, Dropbox, X, Coinbase and 1Password.