and is typically a separate group of three digits to the right of the signature strip. Visa, if a database of transactions is compromised. Expiration dates, referred to as the card identification code CID but also has a threedigit code on the back 5 This way, the card security code is a printed. Contactless card and chip cards may electronically generate their own code. However 9 10 See also edit Citations edit American Express usually uses the fourdigit code on the front of the card. It is possible for a fraudster to guess the CSC by using a distributed attack. Virtual terminals and payment gateways do not store the CVV2 code. PIN numbers allow you to use your credit or debit card at an ATM or when making an inperson purchase with your debit card or a cash advance with any credit card. American Express cards, cVV numbers are also known. Such as iCVV or a dynamic CVV. Link to this page, who otherwise have access to complete card numbers. MasterCard, citation needed Contactless cards and chip cards may supply their own electronically generated codes. PIN, american Express cards have a fourdigit code printed on the front side of the card above the number. S secret, not embossed, what is my CVV code, therefore. MasterCard started issuing CVC2 numbers in 1997 and Visa in the United States issued them by 2001. And, still lack the CVV2 code, new North American MasterCard and Visa cards feature the code in a separate panel to the right of the signature strip. Group of four digits on the front towards the right.