what is the cvc
CVV2/CVC is an authentication method established by credit card companies to reduce fraud for internet transactions. It consists of requiring a card holder to enter the CVV2/CVC number in at transaction time to verify that the transaction is legitimate. The CVV2/CVC on your Visa or Mastercard is the 3-digit verification number found on the back of your card. This is a non-embossed number printed on the signature panel on the back, immediately following the account number.