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  2. One-time password - Wikipedia

    en.wikipedia.org/wiki/One-time_password

    MasterCard SecureCode uses OTAC to confirm a user's identity One time authorization code as used in Yammer's desktop client. A one-time password (OTP), also known as a one-time PIN, one-time passcode, one-time authorization code (OTAC) or dynamic password, is a password that is valid for only one login session or transaction, on a computer system or other digital device.

  3. Multi-factor authentication - Wikipedia

    en.wikipedia.org/wiki/Multi-factor_authentication

    Two-factor authentication in web applications are especially susceptible to phishing attacks, particularly in SMS and e-mails, and, as a response, many experts advise users not to share their verification codes with anyone, [35] and many web application providers will place an advisory in an e-mail or SMS containing a code. [36]

  4. Google Voice - Wikipedia

    en.wikipedia.org/wiki/Google_Voice

    Website. voice .google .com. Google Voice is a telephone service that provides a U.S. phone number to Google Account customers [ 1] in the U.S. and Google Workspace (G Suite by October 2020 [ 2]) customers in Canada, Denmark, France, the Netherlands, Portugal, Spain, Sweden, Switzerland, the United Kingdom and the contiguous United States. [ 3]

  5. Telephone number verification - Wikipedia

    en.wikipedia.org/wiki/Telephone_number_verification

    Telephone number verification. Telephone number verification (or validation) services are online services used to establish whether a given telephone number is in service. They may include a form of Turing test to further determine if a human answers or answering equipment such as a modem, fax, voice mMail or answering machine .

  6. 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 ...

  7. Time-based one-time password - Wikipedia

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

    Time-based one-time password. Time-based one-time password ( TOTP) is a computer algorithm that generates a one-time password (OTP) using the current time as a source of uniqueness. As an extension of the HMAC-based one-time password algorithm (HOTP), it has been adopted as Internet Engineering Task Force (IETF) standard RFC 6238. [ 1] TOTP is ...

  8. Scammers now using verification codes to hijack phone numbers

    www.aol.com/news/scammers-now-using-verification...

    Scammers now using verification codes to hijack phone numbers. August 26, 2021 at 6:28 PM. A new scam tries to use your phone number to scam others, and you could be at risk if you post your ...

  9. Virtual number - Wikipedia

    en.wikipedia.org/wiki/Virtual_number

    In the United Kingdom, these are over 600 area code or local exchange codes 01 & 02 numbers which can be set up as virtual numbers as well as the 0800 & 0345. Sms confirmation allows you to make sms confirmation without giving your phone number to social media platforms, sites and mobile applications that you do not want to share your phone ...