Here's how to find your credit card security code A credit card security code provides protection against fraud in online and over-the-phone transactions.

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.

Each time you make a purchase, Google will ask for your CVC (the three-digit card verification code, which is located on the back of most cards) for security purposes.

It doesn't matter what you call them -- a card security code (CSC), card verification value (CVV or CV2), card verification code (CVC) or even a card.