![]() We strongly recommend readers avoid receiving MFA codes via SMS, as these can potentially be intercepted. ![]() They're easy to use and free, but they do require you to have a functional smart device on hand. These apps generate one-time use codes you enter along with your username and password. We think authenticator apps are a good starting point for anyone new to MFA. The two most common methods for MFA are authenticator apps for smartphones and one-time use codes sent via SMS. (Opens in a new window) See all (7 items) ![]() Even if an attacker has your password (something you know), they won't have your security key or fingerprint, and therefore won't be able to get into your account. The idea is that using more than one of these factors together will effectively keep bad guys out. Something you are, like your fingerprint or some other biometric factor. Instead, the name actually comes from a deeper theory about identity, which holds that all forms of authentication fall into three broad categories: MFA is sometimes called two-factor authentication (2FA), but not because it adds a second step to your login process. (That's especially true if you use Gmail-if a bad guy can access your email, they can use the account recovery tools on other sites to hijack those accounts, too.)īut just what is a security key and how can you use one to protect your Google account? We're here to show you. Because Google is so important, it's critical you keep your Google account secure from takeovers, and the best way to do that is with multi-factor authentication (MFA) with a security key. ![]() If you're on the internet, you probably have an account with Google, whether it's to post videos to YouTube, to check your email with Gmail, or to access the range of features available on Android devices.
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