Whether shopping online or over the phone, you must provide your credit card information to process the transaction. Apart from entering a card number and an expiration date, you probably will ...

Protecting your credit card CVV code Simple measures ... on the front of the card. Unlike Visa, Mastercard, and Discover, which have their three-digit security codes printed on the back of ...

Credit card security is enhanced by several methods. First, the printed security code (CSC or CVV) on the credit card itself prevents someone from using a stolen card number over the phone or ...