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 ...

If you're trying to log into Facebook and it's not sending a security code, check your spam folder or request the code to be delivered another way. You should also try restarting the app and your ...

Q: I suddenly started getting security pass codes from PayPal even though I wasn’t using it. Does this mean someone has my password and is trying to get in? A: It can be quite disconcerting to get a ...

You probably spend more time than you care to admit on Facebook. It’s a safe bet that hardly any of it is spent nosing around Facebook’s settings. In there, you will find five very important settings ...

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 ...

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 ...