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  2. Add or disable 2-step verification for extra security - AOL Help

    help.aol.com/articles/2-step-verification...

    Enable 2-step for authenticator app. Important - You may not see this option as it yet available for all accounts. 1. 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.

  3. Help:Two-factor authentication - Wikipedia

    en.wikipedia.org/wiki/Help:Two-factor_authentication

    2FA is like a software version of the security token devices used for online banking in some countries. Two-factor authentication (2FA) is a method of adding additional security to your account. The first "factor" is your usual password that is standard for any account.

  4. 2-Step Verification with a Security Key - AOL Help

    help.aol.com/articles/2-step-verification-with-a...

    A security key is a physical device that gets uniquely associated with your AOL account after you enable it. Each time you sign in with your password, you'll be prompted to approve access to your account using your key. This prevents anyone who doesn't have your security key device from gaining access to your account.

  5. How to enable 2FA on Xbox

    www.aol.com/enable-2fa-xbox-210000272.html

    For premium support please call: 800-290-4726 more ways to reach us

  6. Multi-factor authentication - Wikipedia

    en.wikipedia.org/wiki/Multi-factor_authentication

    Multi-factor authentication (MFA; two-factor authentication, or 2FA, along with similar terms) 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.

  7. Help talk:Two-factor authentication - Wikipedia

    en.wikipedia.org/wiki/Help_talk:Two-factor...

    I recently activated Two-factor authentication on my account. Now I struggle to sign in on new devices. The message I receive says something about “Authentication process was interrupted. Please start the authentication process agin” is there a way to turn on and off two-factor authentication or restart the authentication process on the ...

  8. Comparison of OTP applications - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_OTP_applications

    The following is a general comparison of OTP applications that are used to generate one-time passwords for two-factor authentication (2FA) systems using the time-based one-time password (TOTP) or the HMAC-based one-time password (HOTP) algorithms.

  9. Time-based one-time password - Wikipedia

    en.wikipedia.org/wiki/Time-based_One-Time_Password

    TOTP credentials are also based on a shared secret known to both the client and the server, creating multiple locations from which a secret can be stolen. An attacker with access to this shared secret could generate new, valid TOTP codes at will. This can be a particular problem if the attacker breaches a large authentication database. [4]