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Sign in to your Account Security page. 2. Next to "2-Step Verification," click Turn on 2SV. 3. Click Get started. 4. Select Authenticator app for your 2-step verification method.-To see this option, you'll need to have at least 2 recovery methods on your account . 5. Click Continue. 6. Scan the QR code using your authenticator app. 7. Click ...
Sign in and go to the AOL Account security page. Under "2-Step Verification," click Turn on. Click Security Key. Follow the onscreen steps to add your Security Key. Add additional recovery methods in case your Security Key is lost.
If you don't keep these codes and encounter a problem with your 2FA device, you will be locked out of your account. Each scratch code can only be used one time, and it takes two of them to turn off 2FA (the first to log in without 2FA, and the second to shut off 2FA after logging in).
This is why it's important to keep these recovery options up to date. Please review your account settings and recovery methods from time to time, and especially prior to changing phone numbers or other email addresses, to help ensure you can always access your account!
C T is the count of the number of durations T X between T 0 and T, T is the current time in seconds since a particular epoch, T 0 is the epoch as specified in seconds since the Unix epoch (e.g. if using Unix time, then T 0 is 0), T X is the length of one-time duration (e.g. 30 seconds).
To use a multi-factor authenticator, the claimant performs full user verification. The multi-factor authenticator (something that one has) is activated by a PIN (something that one knows), or a biometric (something that is unique to oneself"; e.g. fingerprint, face or voice recognition), or some other verification technique. [3],
Think of your account password and the verification code as working together, similar to a doorknob lock and a deadbolt. If you unlock the doorknob but not the deadbolt, you can't get inside.
• Use a strong password and change it regularly - Create a strong password to minimize the risk of unauthorized account access. • Add another level of security - Turn on two-step verification and get sent a security code when someone logs in from an unfamiliar device or location.