Credit Card Security Code

The CVV2 code, or credit card security code, is a 3 or 4 digit number that is printed on a credit or debit card, that is not part of the account number or the expiration date. It is included in online credit card transactions to help reduce fraud and merchant liability.

This code is also known by the following acronyms: CCSC, CSC, CVC, CVV, CVC1, CVV1, CVC2, or CCID code.

reference

More information about CVV2 and how it is used by the Modular Merchant shopping cart software is available in the Credit Card Security Codes and Shopping Carts article in this knowledge base.

For more general information about CVV2, see the Wikipedia article.

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