Understanding Card Testing Markers
Card testing markers are essential tools for ensuring the security of online transactions. These markers help identify potential fraudulent activities and protect both buyers and sellers.
How Card Testing Markers Work
Card testing markers work by adding specific codes or patterns to the magnetic strip or chip of a credit or debit card. These markers are then read by point-of-sale (POS) systems to detect anomalies during transactions.
Types of Card Testing Markers
Card Verification Value (CVV): A three-digit code located on the back of the card.
Expiry Date: The date on which the card will no longer be valid.
Cardholder Name: The name printed on the front of the card.
Why Use Card Testing Markers?
Using card testing markers helps prevent unauthorized use of cards and reduces the risk of fraudulent transactions. It is especially important for online businesses that process card payments.