With most credit card networks, including Discover, Mastercard and Visa, you'll find the security code on the back of your card, to the right of the card number.

A credit card security code is a three- or four-digit number that’s found only on a physical credit card.

The security feature called CVV, or card verification code, is required for vendors to process a credit card transaction. Know what it is & how to find it.

Credit card security codes, or CVVs, shield your account details against information leakage. Find out more about how they work with Forbes Advisor Canada.