You often will need your credit card security code when you buy something online or by phone. Not every merchant asks for the code in these cases, but many require it for additional security.

Virtual card numbers are an extra level of security you can use when shopping online or in person through a phone's digital wallet. Some card details on this page may be out of date.

Online shopping offers instant gratification, but beneath that glossy checkout button, problems are waiting to strike.

Out of the many ways to accept payments online, credit and debit cards are two of the most common, particularly for online purchases. They typically come in the form of Visa, Mastercard, American ...

Learn how to accept credit card payments online, in person, or by phone. This guide covers essential setup steps and security tips.

He continued, “So you give them your credit card number and the date of expiration on the card and the three-digit security number, and so now what they're doing is - they not only ask for your ...