Card Testing — Card testing checks whether payment card information supports successful transactions. Criminals use small or otherwise inconspicuous payment attempts to assess stolen details. Successful results identify cards for further fraud or resale. – Payment Fraud

Added October 7, 2026

Card Testing — Card testing checks whether stolen payment card information remains usable. Criminals attempt transactions or other validation interactions to evaluate the details. Successful results guide later fraud and increase costs for affected merchants and cardholders. – Payment Card Fraud

Added October 7, 2026