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 ...

Major credit card companies are moving to make a merchant code available for firearm and ammunition retailers in order to comply with a new California law that will allow banks to potentially track ...

Patrick T. Fallon / AFP via Getty Images Gun control advocates are cheering a new change in the credit card industry that they say could help prevent gun violence. This week, credit card companies ...

Credit card security codes are three-digit codes on the back of your card (four-digits on the front if you have an American Express card) used to verify that have the physical card. You typically ...