The form factor of the Spare Key does not need to be the same as your first purchased Key. Please use our Works with YubiKey Catalog to check which services and Keys are supported.įurthermore, we at Yubico always recommend you buy a Spare Key as well, in case you lose your main Key.

Which services would you like to use the Key with? YubiKey 5 NFC, YubiKey 5C NFC, Security Key*, YubiKey 5C, YubiKey 5Ci, YubiKey C BIO - Fido edition* & YubiKey BIO - Fido edition If you want to have your YubiKey on your keychain:.If you want to have the Key inserted in your device most of the time:.USB C: YubiKey 5C NFC, YubiKey 5Ci, YubiKey 5C, YubiKey 5C Nano & YubiKey C BIO - Fido edition*.USB A: YubiKey 5 NFC, YubiKey 5 Nano, Security Key NFC * & YubiKey BIO - Fido edition.What USB-ports do the devices you wish to protect have? To choose your YubiKey, ask yourself the following questions: Yubico offers plenty of different form-factors for the YubiKey as well as different options for the connectors. This physical layer of protection prevents many account takeovers that can be done virtually. When logging into an account with a YubiKey registered, the user must have the account login credentials (username+password), and the YubiKey registered to the account. The YubiKey is an extra layer of security to your online accounts. Before looking into which YubiKey would suit your needs the best, it’s important to understand what a YubiKey is:

Yubikey bio