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Authenticator apps provide secure verification codes that act as the second step in 2-step verification. After entering your password, you'll need to enter the code generated by your authenticator app to sign in.
Set up two-factor authentication. This feature is possibly the greatest cybersecurity trick of all. Here’s how it works: If Facebook notices a log-in attempt from a device or browser that you ...
If there's something unusual about your sign in or recent activity, we'll ask you to go through another verification step after you've entered the correct password.
Hardware authentication security keys. Multi-factor authentication (MFA; two-factor authentication, or 2FA) is an electronic authentication method in which a user is granted access to a website or application only after successfully presenting two or more pieces of evidence (or factors) to an authentication mechanism.
A FIDO Universal 2nd Factor (U2F) compatible security key that can plug into the USB or lightning port for your device or connect wirelessly using Bluetooth or NFC. Order a compatible security key from a retailer you trust.
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Universal 2nd Factor (U2F) is an open standard that strengthens and simplifies two-factor authentication (2FA) using specialized Universal Serial Bus (USB), near-field communication (NFC), or Bluetooth Low Energy (BLE) devices based on similar security technology found in smart cards.
Go to Special:Manage Two-factor authentication. Click "Enable" next to "TOTP (one-time token)", and log in with your username and password. The recommended authentication method is to scan a QR code in the app. In "Step 2" of the setup page, there is a box with a pattern which you have to point your device's camera toward.