
If you're the type of person who already reflexively jiggles every card slot and looks for pinhole cameras whenever you go to swipe your card, despair. There is no 100% foolproof way to protect yourself, as proven by a pair of banditos who stole 3,600 card numbers after installing a credit card skimmer
inside several gas pumps,
reports the MountainView Voice.
There was no way for a customer to detect the devices from the outside. The crooks had keys which opened up the pumps and installed the skimmers to the circuit board. (read more)