How Two-Factor Authentication Works, and Why You Should Use It to Keep Hackers Out

❤️ Two-factor authentication is a great way to keep your accounts secure from hackers -- even those who manage to get your password.

Two-factor authentication adds something you have -- like a mobile device -- or something you are -- like your fingerprint -- to something you know -- your password -- to confirm you are authorized to access an account. There are contingencies for losing your second factor, as well as ways to make two-factor less intrusive in day-to-day use. Even if they know your password, hackers can't get in with two-factor enabled. This is how two-factor authentication keeps you secure.

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