YubiKey 5 Series The industry's leading security key for strong two-factor, multi-factor and passwordless authentication Easy-to-use strong authentication Strong two-factor authentication Hardware authenticator as a second factor in addition to the password in a strong two-factor authentication solution Strong Multi-factor authentication Combination of hardware authenticator with PIN that ensures high security requirements for, for example, financial transactions or submitting prescriptions Passwordless authentication Hardware authenticator for secure one-factor authentication that replaces weak passwords and provides users with fast but secure Tap-< offers multi-protocol security keys to protect against account takeovers with strong two-factor, multi-factor and passwordless authentication as well as seamless touch-to-sign functionality. Multi-protocol support ensures increased security in legacy and modern environments. Thanks to various form factors, users can secure online accounts on all their favorite devices from desktop to mobile. Multi-protocol support: FIDO2, U2F, Smartcard, OTP, OpenPGP 3 USB-A, USB-C, NFC, Lightning IP68 protection rating, robust, without batteries and moving parts The YubiKey 5 works with your favorite online applications The safest way to protect your online accounts Note: When ordering, please include the end customer details in the comments field. For individuals, this data is not required!