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2. Authenticator - Wikipedia

   en.wikipedia.org/wiki/Authenticator

   Authenticator. An authenticator is a means used to confirm a user's identity, [1] [2] that is, to perform digital authentication. A person authenticates to a computer system or application by demonstrating that he or she has possession and control of an authenticator. [3] [4] In the simplest case, the authenticator is a common password .

3. Google Authenticator - Wikipedia

   en.wikipedia.org/wiki/Google_Authenticator

   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. [2]

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

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

   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 Continue. 8. Enter the code shown in your authenticator app. 9. Click Done. Sign in with 2-step for authenticator app. 1.

5. What is Two-Factor Authentication? - AOL

   www.aol.com/two-factor-authentication-120048004.html

   Two-Factor Authentication. Quite simply, Two-Factor Authentication requires two forms of user authentication rather than a single form to allow you to access a digital system. By requiring two ...

6. 2-Step Verification with a Security Key - AOL Help

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

   Call paid premium support at 1-800-358-4860 to get live expert help from AOL Customer Care. A security key is a physical device that gets uniquely associated with your AOL account after you enable it. Discover how to enable, sign in with, and manage your security key.

7. 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. MFA protects personal data —which ...