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.

Have you ever felt uneasy when someone on the phone asked for your credit card security code? Your instincts were on target. Just as most people keep their Social Security and phone numbers close ...

"The advantage is it gives the user some sense of security, because you're not giving them your real credit card number and exposing your full credit line to that merchant," said Edgar Dworsky ...

Instead of using your real credit card number when shopping ... your card issuer generates a random card number, expiration date, and security code. This information is different from your ...

Consider using a virtual card ... the security of using their permanent-card number. This free service uses regular credit-card accounts to generate unique numbers, card-verification codes and ...

Virtual credit cards allow consumers to create uniquely generated card numbers, expiration dates, and security codes for online ... do them much good since your real credit card information ...

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 ...

To prevent fraudulent charges, most merchants require customers to provide their debit or credit card number, its expiration date and a numeric code — known as a card security code — located ...

When shopping online or by phone, your credit card number and expiration date aren't the only info a merchant may ask you to provide. You may also have to share your card's security code ...