1. Entrusting others to handle credit cards, personal credit card information is easily leaked.

2. The cardholder shall provide the bank card number, the last three digits and the validity period of the card. After checking your personal information, you can spend it.

Lend your credit card to others.

4. Receive the credit card bill and discard it at will.

In order to completely block the disclosure of personal information of credit card applicants, banks need to improve their own management system. First of all, without the permission of the credit card applicant, they may not use the applicant's information for other business sales of the bank. Second, employees should be severely punished for leaking information about candidates.