Another reason why credit cards are controlled by the wind is that the bank's risk control system automatically captures account anomalies, which may be illegal attacks. At this time, as long as you communicate with the bank and modify the account password, you can generally deregulate.

After each repayment of a credit card, don't brush it all in two or three times, which is easy to be considered as cash withdrawal. Once it is recognized as cash, the credit card will be reduced or permanently frozen.

Extended data 1. Illegal cash-out operation has occurred.

If you cash out with a credit card, it is illegal to cash out with a credit card, then you are likely to be targeted by the bank, resulting in your credit card being controlled by the wind.

Second, credit card consumption is not normal.

If the credit card is used improperly, it is also vulnerable to bank risk control, such as spending by credit card during non-business hours, the credit card limit is too high, such as reaching more than 90% of the credit card limit, or frequent credit card swiping in a short time. All these situations may cause your credit card to be under risk control.

China electronic banking network-CCB intelligent risk control, just to "defend" you.