Credit card POS machine consumption security knowledge:
1. When swiping the card, before signing the confirmation, you should carefully check the card number and amount on the bill, and then sign it in the signature column of the bill, and pay attention to the signature on the back of the bank card.
2. There are also some cardholders who use credit cards to swipe their cards. In order to save trouble, service personnel are often used instead of swiping cards. As a result, credit cards are lost. In particular, some credit cards do not require a password and only need to be signed. You can steal the amount on your card. Therefore, in order to ensure the safe use of your bank card, please do not let the bank card stay away from your sight when you swipe your card.
3. When the cashier returns your bank card to you, please confirm your card and prevent the credit card from being stolen.
4. When the cashier returns your bank card to you, please confirm your card and prevent the credit card from being stolen.
5. Many people arbitrarily discard the small ticket. If the criminals arrive, it is likely to steal the password and steal the credit card according to the information on the ticket. Therefore, please keep the stub of the merchant's bill to keep the bank card statement. Check.
6. After swiping the card, please check the statement. Many people are sloppy, even if their credit card is stolen. Therefore, after receiving the statement, please check the bill carefully, and contact the bank's customer service center if you find unclear expenses.
7. Don't arbitrarily sign the blank bill.
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