The last three digits on the right under the magnetic stripe on the back of the CITIC Bank card are the CVV2 credit card security code.

(1) CVV2 is a credit card security code, which is a security code for credit cards when conducting online or telephone transactions. It is usually a 3 or 4-digit number printed on the credit card, and the location of the printing will vary on different types of cards. It is often used to prevent credit card fraud by verifying that the payer owned the credit card at the time of the transaction.

(2) Card Verification Number, card confirmation code/security code. This is a bank card used for indirect transactions, such as online payments. Presence of bank card transactions can be identified. It can usually be found in the last three digits of the signature strip on the back of the bank card. The UnionPay standard card organized by UnionPay is called CVN2, the MasterCard card is called CVC2, the VISA card is called CVV2, and the AE Express card is called CSC2. The signature area needs to be scraped off the coating.