Chapter 3. Using recovery codes for two-factor authentication (2024)

FAQs

What is a recovery code for two-factor authentication? ›

A recovery code provides an alternative method to verify your two-factor authentication if your authenticator app is not available. When you set up recovery codes, you get a list of codes that are unique to your login. Each code can be used once, and the system tracks each code as it is used.

There are a few ways you can get a verification code. You can use the code displayed on your trusted device, get a text or phone call, or generate a code from your trusted device.

If you still have access to your old Authenticator and aren't using cloud backup, you can easily restore all of your accounts onto a new device by scanning your QR code with that device. The only way to recover Authenticator if you've lost your phone and weren't using cloud backup is to back up your QR code in advance.

If you've lost access to your 2FA device, you can recover your account by using backup codes, alternative recovery options like a secondary email or phone number, or by contacting customer support. Be ready to confirm your identity by answering a few security questions or providing proof of ID.

Two-factor authentication (2FA) is a security system that requires two separate, distinct forms of identification in order to access something. The first factor is a password and the second commonly includes a text with a code sent to your smartphone, or biometrics using your fingerprint, face, or retina.

How do I get my 6 digit code from authenticator? ›

If you select “Scan a barcode,” your phone's camera will activate. Hold your phone close to the screen to allow the camera to capture the QR code. 4. When the QR code or manual code has processed, Google Authenticator will generate a six-digit verification code and display it.

You may try calling that number and if someone picks it up, you can ask if they are willing to give you that code. They may suspect your call is a scam when you ask for the code, but if you can convince them, then they may give you the code.

The authenticator app asks for a verification code as a test. From the Microsoft Authenticator app, scroll down to your work or school account, copy and paste the 6-digit code from the app into the Step 2: Enter the verification code from the mobile app box on your computer, and then select Verify.

A Recovery code (or Backup code) is a unique code that is usually provided by services or sites once 2FA (Two-Factor Authentication) is enabled on an account. This guide explains what recovery / backup codes are, and why they're important.

If you can't access your Authenticator app, you can use alternative methods for logging into accounts. These may vary by platform, but here are some of the most common alternative verification methods: Text code: Entering a code sent via SMS is a common way to verify a user is legitimate.

The recovery form is available at https://account.live.com/acsr. Collect as much information as you can about any Microsoft services you may have used with this account. The more information you can include when filling out the form, the better the chance you'll have of regaining access to your account.