Add Yahoo as a preferred source to see more of our stories on Google. Have you ever felt uneasy when someone on the phone asked for your credit card security code? Your instincts were on target. Just ...

Fri, January 10, 2025 at 2:41 AM UTC If you’ve ever purchased anything online or over the phone and paid with a credit card, you more likely than not have been asked for your card’s security code.

Your credit card has a 16-digit number on the front, plus an expiration date, and another three-digit code on the back. We all know in a vague way that the code on the back (also known as the “CVC” or ...