Using at least two of these means you're using multifactor authentication. A hardware authenticator like a Yubico YubiKey is something you have. Something you are could include biometrics, like a fingerprint scan. Most of us use password authentication in our day-to-day lives, which is something you know. The term ' multifactor authentication' comes from the idea that there are three ways to prove who you are by presenting at least one of the following: Something you know, something you have, or something you are. At $55 it's not the cheapest option, but its sheer versatility makes it a new Editors' Choice winner. The 5C NFC also has a variety of authentication capabilities and will work with just about any recent device you own. Hardware multifactor keys like the Yubico YubiKey 5C NFC provide all the security of competing systems, but they do so without moving parts, batteries, or an internet connection. How to Set Up Two-Factor AuthenticationĮnabling multifactor authentication is the single best thing you can do to prevent attackers from taking over your online accounts.How to Record the Screen on Your Windows PC or Mac.How to Convert YouTube Videos to MP3 Files.How to Save Money on Your Cell Phone Bill.

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