1, the credit card security code is generally the last three digits of the signature column on the back of the credit card. Of course, the number of anti-counterfeiting codes for different card types is different. For example, VISA and MasterCard are all three digits, printed on the last four digits of the signature column on the back of the credit card, while American Express's security code is four digits, printed on the front of the credit card.
2. Different card organizations have different credit card security code locations:
UnionPay, JCB, MasterCard and VISA, the card security codes issued by these four major card organizations are printed in the last three digits of the signature column on the back of the credit card, generally in italics;
American Express Card Security Code is a 4-digit number printed on the front of the card and above the card number.
Supplementary information:
The security code behind the credit card is very important information, which is equivalent to the ID card of the credit card. It is usually used to determine whether we have a credit card when we pay to prevent credit card fraud. Cardholders should keep their security codes confidential. If they provide the security code and card number to others, it may cause unnecessary property losses.
Extended data:
1. What is a credit card security code?
Code 1 and CVV2, also known as credit card security codes, are security codes for credit card transactions. Usually printed on the back of the credit card after the signature, that is, the last 3 digits in italics.
2. According to the bank security experts, the three CVV2 codes behind the credit card are the security codes when the credit card conducts online or telephone transactions. It is usually used to confirm that the payer does hold a credit card at the time of transaction.
3, and CVV2 code can complete the transaction, so the importance of CVV2 code is almost equal to password.
4. The insiders suggest that the cardholder can cut a small piece of adhesive tape and affix CVV2 code to prevent leakage.
5. At the same time, you should also protect your credit card in an all-round way: try to ensure that the card does not leave your body, do not let the credit card leave your sight when spending, and do not give the card to the clerk to check out, so as to avoid the information in the card being viewed by outsiders.
Second, what is the use of the security code of the credit card?
1 can be said to be the "ID card" of a credit card. When conducting online or telephone transactions, the cardholder does not need a password, but only needs to provide the card number, expiration date and security code to complete the transaction.
2. For example, when an American Express card purchases through Haitao, an American Express settlement bank, the transaction can be completed through the card face information.