Card friends who care about credit card security must know what the credit card security code is and where it is printed, but credit card Xiaobai probably knows nothing about it. Today, Bian Xiao will popularize the knowledge of credit card security codes with you. It's important to know where the credit card security code is!

Credit card security code, also known as cvv2 code, is a security code used by cardholders in online transactions or telephone transactions. So don't disclose the credit card security code, otherwise it will lead to the risk of theft.

What about the security code of the credit card? How to protect it?

Different card issuers print credit card security codes in different places:

UnionPay card, MasterCard, VISA card and JCB card: three-digit security code, printed flat on the back of the credit card after the signature column;

American Express Card: The security code has 4 digits, which is on the front of the credit card.

As can be seen from the above, the security code of the credit card is printed on the card face, which is easy to leak. Therefore, it is recommended that cardholders protect themselves by the following methods:

1, wrapped with adhesive tape;

Don't leave the card and don't give it to others.

3. It is best to remember these numbers and then delete/smear them directly;

4, online payment should be cautious, should ensure the safety of trading places, trading environment.

Remind everyone that the security code of the credit card is on the card face. If it is not protected, it is easy to be stolen by others, increasing the risk of card theft. Therefore, every cardholder should cultivate a good awareness of personal information protection, and at the same time, the importance of credit card information can not be ignored.