The card security codes are 3 or 4 digit codes printed or embossed on Visa, Mastercard, American Express and Discover cards.
These codes are also referred to as CVV2, CVC, CSC or CCID. Their purpose is to provide additional protection against fraudulent card use.
Below is a list of possible result codes.
Should be on card but not so indicated
Issuer Not Certified
No response from association
No CVV2/CVC data available for transaction.
Updated almost 2 years ago