1. All credit card frauds are aimed at obtaining personal information such as your credit card number, security code (the last three digits of the signature on the back of the credit card), expiration date, ID number and mobile phone number. Therefore, cardholders should improve their awareness of card safety and remember not to disclose information easily.

2, the password setting is skillful, the password should be changed frequently: and the password can not be told to others.

3. swipe your card, keep your password and keep your documents. Keep the transaction documents properly. If there is any abnormal situation such as repeated deduction, you can contact the issuing bank in time according to the transaction documents and statements. If the credit card transaction has been cancelled, the merchant should be required to tear up the credit card shopping list and keep the cash payment voucher.

4. Open real-time account information change notification via SMS. Although you may have to pay a few dollars a month, considering that you can effectively know whether the account has been stolen, it is recommended to open it.

5. If you find a stolen brush, call the police immediately, notify the bank to freeze the card immediately, call the communication company to inquire about the situation immediately, find a quiet space to record all the communication processes, and then see if there are other stolen brushes or stolen brushes and notify the bank to freeze the card.