Fraud prevention is a major concern for many people. To prevent fraudulent charges, most merchants require customers to provide their debit or credit card number, its expiration date and a numeric ...

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 code verification (CCV) -- those three or four ...

Have you ever felt uneasy when someone on the phone asked for your credit card security code? Your instincts were on target. Just as most people keep their Social Security and phone numbers close to ...