The CyberGuy provides tips to protect yourself from criminals who use various methods to make unauthorized transactions using your account information.

Some issuers let you start using your credit card immediately after you're approved by giving you a card number. Here's what ...

So, it’s never a good idea to share your credit card number with anyone over the phone unless you called them. Did you know? The Luhn algorithm, developed by IBM engineer Hans Peter Luhn ...

(WHTM) — Midstate police are alerting citizens of a credit card ... to prove you have the card. Police say the caller will ask you to read the last three numbers to them. After you tell the ...