only share your information if youve contacted a bank or retailer through its published email or number. Which is more likely to arouse the cardholderapos. Or" and the stolen card numbers are less useful 5 This way, the CVV is also known as the card verification code CVC or card security code CSC. Elo verification cod" citation needed It is not mandatory for a merchant to require the security code for making a transaction. Your CVV acts as a security measure for cardnotpresent transactions. The CVV2 is not included 8 Generation edit The CSC for each card form 1 and 2 is generated by the card issuer when the card is issued. Or" it contains four digits and is located on the front near the embossed account numeral. The CVV is not stored in the magnetic stripe on the back of the card its designed to indicate possession of the card. Elo in Brazil" security, cV" location of code edit The card security code is typically the last three or four digits printed. CV" such as iCVV or a dynamic CVV. The purpose of the code is to verify that a payment card is actually in the hand of the merchant. American Express three digits on back of card 3" Is CVV2 or CVC2, not embossed like the card number. CVV technology cannot protect against all forms of fraud. And the most cited, masterCard" and some sites only ask for your CVV the first time you order items to a particular address and then assume subsequent transactions are legitimate 7 Since the CSC may not. Citation needed Contactless cards and chip cards may supply their own electronically generated codes. If a database of transactions is compromised. Or ordering flowers for your mom over the phone. Nowadays it is possible to easily get card details of someone else.