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 ...

Discover how credit card validation codes work and protect against fraud. Learn about their placement, security role, and examples to secure online transactions.

Using auto-fill to make purchases online may be convenient, but it leaves your financial information vulnerable. Malicious browser extensions, phishing attacks and theft are all ways you could lose ...

A credit card authorization key is a secure code used to process transactions, confirming purchases and preventing fraud ...

Whether you’re ordering dinner from Uber Eats or buying that bestselling embarrassing product you’re too humiliated to get in the store, many of us purchase things online. It’s simply too easy, the ...

Ever find your palms sweating as you enter your payment info into a merchant site you’ve never used before? It’s a natural response; few financial details are more important than your payment methods ...

Almost every browser tries to make spending money easier. You enter your credit card details, click "buy" and it asks you to save the information for next time. It's quick and spares you typing out ...

Imagine receiving a notification about suspicious charges on a credit card you haven’t even received yet. How could that happen? While it sounds surprising and unsettling, it's increasingly common due ...

Marshall Gunnell is a Tokyo-based tech journalist and editor with over a decade of experience covering IT, cybersecurity and data storage. Alongside CNET, his work has appeared in ZDNET, Business ...