Q:

What is a security code?

A:

Quick Answer

A security code is a unique three- or four-digit number printed on the back of a credit or debit card, usually appearing to the right of the signature strip. However, on some cards, the security code is on the front above the credit card number.

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Full Answer

Other names commonly used to refer to security codes include card-verification data, card-verification number, card-verification value, card-verification code and signature-panel code. Security codes are used to confirm that the card number quoted to a merchant is acquired from an authorized credit or debit card, providing merchants and consumers with a greater level of protection against fraud.

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