When accepting credit card numbers over the phone from customers, you can easily identify the type of card without asking the customer. While each credit card has a unique string of numbers, in ...

To the untrained eye, credit card numbers might appear to be nothing but a series of random numbers haphazardly thrown together. But they are anything but: Credit card numbers are created using ...

What is a virtual card number and how do I get one? If you’re a frequent online shopper, you’re more at risk of becoming a cybercrime victim. In fact, a recent study conducted by Security.org found ...

Jaclyn was a CNET Money editor with a fondness for the sweet spot between numbers and words. Overseeing CNET's credit card coverage, she wrote and edited news, reviews and advice. She has experience ...

Ryan Eichler holds a B.S.B.A with a concentration in Finance from Boston University. He has held positions in, and has deep experience with, expense auditing, personal finance, real estate, as well as ...

Prime numbers are all the rage these days. I can tell something’s up when random people start asking me about the randomness of primes—without even knowing that I’m a mathematician! In the past couple ...