The card security code is a unique series of three or four digits, printed on most credit cards. When you enter your card details, we ask you, for additional security, to also provide the card security code.
We do not store this number; we will only use it to authenticate your card during the processing of your order.
On the back of Credit Cards, Visa, and MasterCard, you'll find a unique three-digit series right after your card number, in the signature space.
For American Express cards, you'll find a unique four-digit series on the front of the card, above the account number.