Guide to credit card security codes: What they are, where to find them and why they matter - The Points Guy

Guide to credit card security codes: What they are, where to find them and why they matter - The Points Guy

Whether shopping online or over the phone, you must provide your credit card information to process the transaction. Apart from entering a card number and an expiration date, you probably will have to enter a security code — a feature on every credit card meant to help verify the card is in your possession. These three- or four-digit numbers provide an additional layer of security. Here is what you need to know about credit card security codes a…