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2. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

3. What's a six-digit verification code — and why you should ...

   www.aol.com/whats-six-digit-verification-code...

   Six-digit verification codes are a form of two-factor authentication, a process that helps keep your important online accounts secure. For example, you might get a text message or email with a six ...

4. Multi-factor authentication - Wikipedia

   en.wikipedia.org/wiki/Multi-factor_authentication

   RSA SecurID token, an example of a disconnected token generator Possession factors ("something only the user has") have been used for authentication for centuries, in the form of a key to a lock. The basic principle is that the key embodies a secret that is shared between the lock and the key, and the same principle underlies possession factor ...

5. 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.

6. Card security code - Wikipedia

   en.wikipedia.org/wiki/Card_security_code

   There are several types of security codes and PVV (all generated from DES key in the bank in HSM modules using PAN, expiration date and service code): . The first code, 3 numbers, called CVC1 or CVV1, is encoded on track one and two of the magnetic stripe of the card and used for card present transactions, with signature (second track also contains pin verification value, PVV, but now it is ...

7. Transaction authentication number - Wikipedia

   en.wikipedia.org/wiki/Transaction_authentication...

   ChipTAN generator (optical version) with bank card attached. The two white arrows mark the borders of the barcode on the computer screen. ChipTAN is a TAN scheme used by many German and Austrian banks. [13] [14] [15] It is known as ChipTAN or Sm@rt-TAN [16] in Germany and as CardTAN in Austria, whereas cardTAN is a technically independent ...

8. ISO 9564 - Wikipedia

   en.wikipedia.org/wiki/ISO_9564

   ISO 9564 is an international standard for personal identification number (PIN) management and security in financial services.. The PIN is used to verify the identity of a customer (the user of a bank card) within an electronic funds transfer system, and (typically) to authorize the transfer or withdrawal of funds.

9. Payment card number - Wikipedia

   en.wikipedia.org/wiki/Payment_card_number

   [2]: 33 [3] The remaining numbers, except the last digit, are the individual account identification number. The last digit is the Luhn check digit. The last digit is the Luhn check digit. IINs and PANs have a certain level of internal structure and share a common numbering scheme set by ISO/IEC 7812.