2. You can also call the 24-hour customer service hotline displayed on the back of the credit card, enter the card number, check the inquiry password, and press the "*" key to reset your inquiry password.
Credit cards are divided into credit cards and quasi-credit cards. Credit card refers to a credit card in which the cardholder has a certain credit limit and can spend first and then repay. Quasi-credit card refers to a quasi-credit card in which the cardholder deposits a certain amount of reserve fund according to the regulations, and when the balance of the reserve fund account is insufficient to pay, it can be overdrawn within the prescribed credit limit. Credit cards generally refer to credit cards.
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Credit card security issues
Because credit cards are convenient and fast to use, coupled with the rapid development of science and technology, credit cards are facing security problems because of the mechanism of spending first and then paying.
The problem is getting more and more serious, and major international credit card groups and global card-issuing financial institutions are facing severe challenges. The security problems of credit cards are mainly divided into the following five aspects:
Credit card: criminals or criminal groups use forged or invalid cards (expired/lost/invalid/damaged tapes, etc.). ) pretending to be a real card, directly deceiving merchants or card issuers.
Credit card password modification process:
1, prepare your own credit card and second-generation ID card;
2. Go to the nearest bank outlet;
3. take the number yourself;
4. Waiting for the call number;
5. Wait for the bank staff to review the ID card and credit card;
6. Enter the original password and modify it;
7. Sign the ID card and card;
8. After completing the password modification business.
Baidu encyclopedia-credit card