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 to ...

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 ...

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 ...

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 ...

Dashia is the consumer insights editor for CNET. She specializes in data-driven analysis and news at the intersection of tech, personal finance and consumer sentiment. Dashia investigates economic ...

Elon Musk was right: Text messages are not the most secure way to protect your account. By Brian X. Chen Brian X. Chen is the lead consumer technology writer for The New York Times. Twitter recently ...