1. You cannot forge a card by just using the card number, so you don’t have to worry about this;

2. The kind of forgery you mentioned is done by the suspect through the readable magnetic strip of the credit card. Information Dongdong reads out the magnetic stripe information and then writes it into the blank magnetic stripe. This is the so-called counterfeit card;

3. To avoid such things from happening, you need to do this first Try to keep the card in your hand so that others don't have the chance to steal your information. Don't be a rich man. Wipe your mouth after eating. The lady pays the bill and swipes the card for me. This is a hidden danger. Secondly, if there is a password, try not to use it. Easy-to-guess combinations such as birthday and phone number, so that even if someone gets your card, they can't guess it easily.