Google has added virtual cards as part of a broader overhaul of its payment technology. American Express is the first company to adopt Google technology that supports virtual cards with minimal input ...

A credit card security code provides protection against fraud in online and over-the-phone transactions.

As tempting as it might be, avoid using 0000 as your four-digit PIN code. Same goes for 1010, 1111, 1122, and 1212, which comprises the top five worst PIN codes, according to a list compiled by ...