An important way to prevent online credit card fraud is to ask customers not only for their card number and expiration date, but also for the three-digit number above the signature panel on the back of the credit card - the card verification value.

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Asking for the card verification value (CVV) provides an additional layer of security to verify that the person making the purchase has the physical card in their possession. This makes it more difficult for fraudsters who may have stolen credit card information online to use that information to make unauthorized purchases.

An Important Way to Prevent Online Credit Card Fraud Is