The CSC provides an important layer of security for cardholders. A card security code is a three- or four-digit number on the back of credit and debit cards that ensures the authenticity of ...

That 3-digit number is your Card Security Code. If your CSC number has been scratched off or is not visible you will need to contact your credit card company or bank for additional information. How to ...

Your credit card number should follow the standards ... This number can be called the CVV, CVC, CVC2, CSC or CID number. American Express is the only issuer that uses a four-digit number and ...

A credit card security code is a group of digits ... and CVC2 American Express Four numbers Front of the card CID number and CSC Discover Three numbers Back of the card CVD and CID number The ...

Like a credit card chip helps limit ... also referred to as a Card Identification Number (CIV), Card Validation Code (CVC2), Card Security Code (CSC) or CVV2 (Card Verification Value 2).

Learn more about it. When shopping online or by phone, your credit card number and expiration date aren't the only info a merchant may ask you to provide. You may also have to share your card's ...