Stolen credit card data is sold on the dark web in tiers:
Even temporarily. Do not log it to your database. Do not keep it in session variables. Do not email it to your customer service team. After the authorization response from your payment gateway, you must purge it.
The CVV2 is uniquely designed to be more secure than your 16-digit card number or expiration date. credit card cvv2 number
It confirms the buyer has the actual plastic card, even if the primary card number was stolen from a leaked database. 💡 Critical Security Tips
For businesses, mishandling CVV2 numbers is not a mistake—it’s a liability lawsuit waiting to happen. Stolen credit card data is sold on the
Use AVS to compare the customer’s billing address with the card issuer’s records. A mismatch plus a failed CVV2 is 99% likely fraud.
stands for Card Verification Value 2 . It is a security feature for "card-not-present" transactions, meaning transactions conducted online, over the phone, or via mail order. It is designed to verify that the person making the purchase is in actual physical possession of the card. Do not email it to your customer service team
While the CVV2 is a powerful tool, it isn't foolproof. If a scammer gets both your card number and your CVV2, they can drain your account or max out your credit limit in minutes. 1. Beware of Phishing