
(Opens in a new window) Read Our Dashlane Reviewīy combining two things from that list, you make it much harder for someone to break into one of your accounts. In the most common implementation, when you go to log in to an account, you enter your password and then are prompted to enter a six-digit code sent via SMS or generated by an app. How Two-Factor Authentication Worksīy this point, you've probably encountered or at least heard of two-factor authentication, or 2FA. For a more feature-filled device, look to the YubiKey 5 series, which is more expensive and likely harder for the average person to get their money's worth. For its low price and ease of use, it's our Editors' Choice for two-factor authentication security keys. The Security Key by Yubico doesn't have all the bells and whistles of its cousins and competitors, but-at less than half the price-it's an easy solution at a bargain price. Working in conjunction with a traditional password, it's a powerful tool to stop scammers and identity thieves in their tracks. Security Key by Yubico is a USB-A key you insert and tap when prompted to confirm your identity. To make passwords acceptable again, we're now turning to password managers and two-factor authentication to better secure our online accounts.


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