Several security keys on the market can use fingerprint scans to verify that you're the key's owner, such as the $69.99 Kensington VeriMark Guard USB-C Fingerprint Key. The Nitrokey FIDO2 does not have any biometric sensors. It can even work for password-less login environments, such as Microsoft services. That's a lot of letters, but the practical outcome is that the Nitrokey FIDO2 should work just about anywhere that accepts hardware security keys. It is backward compatible with any sites that still support only the FIDO U2F standard, too. The Nitrokey FIDO2, on the other hand, supports the latest FIDO2 (Opens in a new window) and WebAuthn standards, plus CTAP1/CTAP2. The original, and now deprecated, Nitrokey FIDO U2F supported only the FIDO U2F authentication standard. Like most things with the numeral "2" in the name, the Nitrokey FIDO2 is a sequel. Weak passwords and malware are also exploited to take over accounts, so we strongly encourage readers to use a password manager and standalone antivirus software. But you still need to maintain proper security hygiene elsewhere, too. Security keys have the advantage of requiring no power or network connection, don't rely on messages that can be intercepted, and are harder to attack than mobile devices or computers. Something you have would be a hardware security key, such as the Nitrokey FIDO2, or a security code generated by an app. Something you are would be a biometric reading-think a fingerprint scan or facial recognition. Something you know would be a password or PIN. Multifactor authentication (sometimes called two-factor authentication or 2FA) is a method for verifying your identity using two factors from a list of three options: As an entry-level device, the Nitrokey FIDO2 is a strong choice but Editors' Choice winner Yubikey 5C NFC packs wireless communication and additional MFA capabilities into a sleek package. Using the Nitrokey FIDO2 with mobile devices will require a dongle, however, and it lacks the impressive encryption features found in other Nitrokey devices. Small, German, affordable, and with support for the latest MFA standards, it helps secure your logins against attacks and relies on tried-and-tested, open-source technology.
If that sounds like you, then the €29 ($33.52, at the time of writing) Nitrokey FIDO2 is a go-to choice in the world of multifactor authentication (MFA) security keys.
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