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. Updated Mon, May 20 2024 ...

Your credit card's security code is a three- or four-digit number that helps protect you against credit card fraud. Learn how to find it and why it's important.

The card verification value (CVV) adds an extra layer of security to your purchases—here's how it works.