American Express uses four-digit security codes printed on the front of cards. Should You Share Your Security Code? Keep your credit card security code under wraps unless you are sure a legitimate ...

Even though you may not give your entire card number, the security code is likely the only thing they will need.

Credit card scams are nothing new, but here’s a new twist on them. In this case, scammers already have your credit card information, but need the card’s security code, the three-digit number ...

The only thing scammers are missing is that 3-digit security code on your card. And now many are trying to get their hands on it.