When you make credit card purchases online or over the phone, you'll often need the card's security code to complete the transaction. The security code helps to protect you from credit card fraud and ...

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 Visa, Mastercard and American Express all ...

Code offers "significant" new tool for identifying shooters, one advocate said. A gunman in Aurora, Colorado, who killed 12 people in a mass shooting at a movie theater, in 2012, legally acquired ...

For some credit card purchases in Canada, a postal code is required as a security measure. If using a credit card in the U.S., you may need to use a ZIP code instead. Many or all of the products on ...