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 ...

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 ...

Many websites and apps rely on a weak form of two-factor authentication (2FA) that involves texting you a short number or code. These sites and apps might also offer to make an automated voice call ...