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2. What is a credit card security code? - AOL

   www.aol.com/finance/credit-card-security-code...

   Credit card security codes are three-digit codes on the back of your card (four-digits on the front if you have an American Express card) used to verify that have the physical card. You typically ...

3. What Is a Credit Card Security Code and Why Is It ... - AOL

   www.aol.com/credit-card-security-code-why...

   A card security code is a three- or four-digit number on the back of credit and debit cards that ensures the authenticity of transactions when a physical card is not presented at the point of sale ...

4. Identify legitimate AOL websites, requests, and communications

   help.aol.com/articles/identify-legitimate-aol...

   • Fake email addresses - Malicious actors sometimes send from email addresses made to look like an official email address but in fact is missing a letter(s), misspelled, replaces a letter with a lookalike number (e.g. “O” and “0”), or originates from free email services that would not be used for official communications.

5. What do the numbers on your credit card mean? - AOL

   www.aol.com/finance/numbers-credit-card-mean...

   Key takeaways. The numbers on a credit card help identify the credit card network, the company that issued the card and the cardholder. Credit card numbers are either 15 or 16 digits, with each ...

6. Card security code - Wikipedia

   en.wikipedia.org/wiki/Card_security_code

   The card security code is not encoded on the magnetic stripe but is printed flat. American Express cards have a four-digit code printed on the front side of the card above the number. Diners Club, Discover, JCB, Mastercard, and Visa credit and debit cards have a three-digit card security code. The code is the final group of numbers printed on ...

7. Card-not-present transaction - Wikipedia

   en.wikipedia.org/wiki/Card-not-present_transaction

   Card-not-present transactions are a major route for credit card fraud, because it is difficult for a merchant to verify that the actual cardholder is indeed authorizing a purchase. If a fraudulent CNP transaction is reported, the acquiring bank hosting the merchant account that received the money from the fraudulent transaction must make ...