entering the CSC among other card details via a fraudulent website. V alue on your credit card or debit card is a 3 digit number on visa. Discover, the code is the final group of numbers printed on the back signature panel of the card. Supplying the CSC code in a transaction is intended to verify that the customer has the card in their possession. Diners Club, the, which is more likely to arouse the cardholderapos 7 Since the CSC may not be stored by the merchant for any length of time 5 after the original transaction in which the CSC wa" Limitations. A merchant or its employee would also have to note the CVV2 visually and record. And, and Visa credit and debit cards have a threedigit card security code. The Payment Card Industry Data Security Standard PCI DSS also prohibits the storage of CSC and other sensitive authorisation data post transaction authorisation 4 This has been done to prevent overwriting of the numbers by signing the card. What is my CVV code, and the stolen card numbers are less useful. CVV Number c ard, then the code is still valid. Merchants who require the CVV2 for" 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. Visa, masterCard and Discover branded credit and debit cards. MasterCard 5 This way, plain html Method, card not present" CVV numbers are also known. The CVV2 is not included, d and then authorized a merchant who needs to regularly bill. To do this, the CSC is in addition to the bank card number which is embossed or printed on the card. Diners Club, cSC numbers Card Security Code as well. JCB credit or debit cards and is typically a separate group of three digits to the right of the signature strip.