The skimmers are used to harvest the credit card information and sometimes use a pinhole camera in conjunction with the skimmer. After the camera catches the customer’s PIN number the crook makes an unauthorized withdrawal.
This article in the latest issue of PCWorld magazine addresses the increasing threat. It gives some hints about what to look for and some tips to protect yourself.
Even if you don’t think an ATM or credit card terminal has a skimmer attached to it, you should take some basic security precautions. Pinhole cameras can be almost impossible to detect, but they’re also fairly easy to thwart. The next time you’re entering your PIN just use your free hand to block the view of you entering your PIN. That way, a camera mounted above the PIN pad can’t tell what you’re entering, which will help prevent criminals from being able to access your bank account.