: These checkers use bots to rapidly submit small, "invisible" transactions on e-commerce sites to confirm the card's validity without alerting the owner. How Carding Attacks Work

: The stolen data is fed into a checker to filter out "dead" (canceled) cards from "live" ones.

: In this context, "Full" refers to "Fullz," which means the card data comes with a complete set of the cardholder's personally identifiable information (PII), such as their Social Security number, date of birth, and billing address.

: Once a card is verified as "live," it is used to buy high-value items, gift cards, or prepaid cards that can be easily resold for cash. The Impact on Businesses and Consumers