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

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

   1-800-358-4860. Get live expert help with your AOL needs—from email and passwords, technical questions, mobile email and more. Add or disable 2-step verification for extra security. Add an extra security step to sign into your account with 2-step verification. Find out how to turn on 2-step verification and receive a verification code, and ...

3. Multi-factor authentication - Wikipedia

   en.wikipedia.org/wiki/Multi-factor_authentication

   Hardware authentication security keys. 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.

4. What is Two-Factor Authentication? - AOL

   www.aol.com/finance/two-factor-authentication...

   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 ...

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

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

   What those do is they generate a one-time use passcode that you would enter in addition to your username and passcode. Those are very safe. But the problem is you always need to have your phone on ...

6. Help:Two-factor authentication - Wikipedia

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

   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. The second "factor" is a verification code retrieved from an app on a mobile device or computer. 2FA is conceptually similar to a security token device that banks in some ...

7. 2-Step Verification with a Security Key - AOL Help

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

   A USB or a USB-C to insert the security key or you can connect it wirelessly using Bluetooth or NFC. The latest version of Chrome, Edge, Firefox, Safari or Opera. A FIDO Universal 2nd Factor (U2F) compatible security key that can plug into the USB or lightning port for your device or connect wirelessly using Bluetooth or NFC.

8. Why Your Facebook Account Is More Secure Than Your Bank ... - AOL

   www.aol.com/news/on-bank-security-two-factor...

   One such solution is two-factor authentication, which aims to protect users even if their log-in information has already been stolen. It typically involves sending a second, temporary passcode to ...

9. Central Authentication Service - Wikipedia

   en.wikipedia.org/wiki/Central_Authentication_Service

   The Central Authentication Service ( CAS) is a single sign-on protocol for the web. [ 1] Its purpose is to permit a user to access multiple applications while providing their credentials (such as user ID and password) only once. It also allows web applications to authenticate users without gaining access to a user's security credentials, such ...