What's Facebook Security Checkup and how do I start it?

You can use Security Checkup to review and add more security to your account. You'll need to log into your Facebook account to start Security Checkup.
Security Checkup will help you:
  • Get alerts when someone tries logging into your account from an unrecognized computer or mobile device.
  • Learn how to protect your password.
  • Enable two-factor authentication, an optional feature that adds more security to your Facebook account.
Note: This feature is currently available to people logged into Facebook on a computer or the latest version of the Facebook for Android or Facebook for iOS app.
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