There is usually no danger in giving your bank card number to others, but if you tell others your personal name, bank card number and mobile phone number bound to your bank card, there will be certain risks in your bank card, and the funds in the card are likely to be stolen.

Bank card refers to a credit payment tool issued by commercial banks (including postal financial institutions) with all or part of the functions of consumer credit, transfer settlement, cash deposit and withdrawal, etc. Bank card reduces the circulation of cash and checks, which makes the banking business break through the limitation of time and space and undergo fundamental changes.

Precautions for using bank cards:

1. When entering the password, be careful to cover it with your hands. If there is any abnormality in the password protection cover and card entry protection slot of ATM, please do not use it for safety reasons and notify the bank immediately;

2. In order to prevent fake ATM machines, customers should try to choose self-service banks with obvious signs and use ATM machines under the video surveillance of banks;

It is best to store the bank card and ID card separately. Don't lend your bank card to others, and don't disclose your bank card number and password at will.

4. When spending by credit card, don't let the bank card leave sight, pay attention to the number of times the cashier swipes the card, and check whether the amount on the shopping list is correct and whether it is my card when getting the shopping list and card;

5. Open SMS service, keep abreast of account changes, and immediately call the bank to report the loss once abnormal transactions are found;

6. If you suspect that the funds have been stolen, you should immediately call the bank customer service number and report the loss of the bank card account in time.

Methods to prevent bank cards from being stolen;

If the cardholder opens a telephone or ATM transfer, the daily transfer amount of each card shall not exceed 50,000 yuan. When the cardholder initiates the online bank transfer, he should adopt security authentication methods such as digital certificate and electronic signature, otherwise, the single transfer amount shall not exceed 1 1,000 RMB, and the accumulated daily transfer amount shall not exceed 5,000 RMB. Except for payment of business expenses and transfer between accounts of the same cardholder.

It is also required to further strengthen the risk control of the acceptance market, improve the management of bank card acceptance terminals, and improve the risk prevention service level of China UnionPay. China UnionPay shall establish a transaction data recording, analysis and monitoring system, strengthen the monitoring and analysis of suspicious transactions, conduct a comprehensive dynamic assessment and classified management of transaction risks, and protect the security of accounts and transaction information.