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

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

    The phone number we contact you with may be different each time. Enable 2-step for phone. 1. Sign in to your Account Security page. 2. Next to "2-Step Verification," click Turn on. 3. Select Phone number for your 2-step verification method. 4. Follow the on-screen prompts to complete the process. Sign in with 2-step for phone. 1.

  3. PhoneFactor - Wikipedia

    en.wikipedia.org/wiki/PhoneFactor

    PhoneFactor is a proprietary multi-factor authentication owned by Microsoft. It uses telephone calls, SMS messages, and push notifications to verify identity. [1] [2]PhoneFactor was originally developed by Positive Networks Inc., founded in 2001 by Tim Sutton and Steve Dispensa. [3]

  4. 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.

  5. Help:Two-factor authentication - Wikipedia

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

    Add a new entry: Click the + icon ("Add New") at the top. Then, click "Entry". Give the entry a title (e.g. "Wikipedia"). In the right-side pane, click "more...". Then, click "One-time passwords" and click "Enter code manually". Copy the "Two-factor authentication secret key" from "Step 2" of the setup page and paste it into the "otp" field in ...

  6. Tech support: What is two-factor authentication and how to ...

    www.aol.com/news/tech-support-two-factor...

    And if you get a new phone, you have to deactivate your 2-factor authentication on your old phone and then reactivate it on your new phone. It's a huge to-do. The third version, though, is one ...

  7. Knowledge-based authentication - Wikipedia

    en.wikipedia.org/wiki/Knowledge-based_authentication

    Knowledge-based authentication, commonly referred to as KBA, is a method of authentication which seeks to prove the identity of someone accessing a service such as a financial institution or website. As the name suggests, KBA requires the knowledge of private information from the individual to prove that the person providing the identity ...

  8. Universal 2nd Factor - Wikipedia

    en.wikipedia.org/wiki/Universal_2nd_Factor

    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.

  9. Google Authenticator - Wikipedia

    en.wikipedia.org/wiki/Google_Authenticator

    Google Authenticator is a software-based authenticator by Google.It implements multi-factor authentication services using the time-based one-time password (TOTP; specified in RFC 6238) and HMAC-based one-time password (HOTP; specified in RFC 4226), for authenticating users of software applications.