Final answer:
Making an unauthorized copy of a payment card is known as carding, which is a form of credit card theft or fraud involving the theft of card information. The correct option is b) Carding.
Step-by-step explanation:
The practice of making an unauthorized copy of a payment card is referred to as carding. This fraudulent activity involves stealing credit card numbers, either by hacking into databases or using a device like a skimmer to copy the information from the card's magnetic stripe.
Once the information is obtained, it can be used to make unauthorized purchases or to create counterfeit cards that are then used for fraudulent transactions. It is important to protect your card information and be cautious of where and how you use your payment cards.