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"  (Photograph by Jean-Yves Bruel/Getty Images) When Brooklyn, N.Y., resident Nick McGlynn stepped into a Chase bank in April, he quickly noticed something was wrong with one of the ATMs. &amp;quot;I saw a mirror that looked out of place,&amp;quot; McGlynn says. &amp;quot;It was in the center of the ATM, above the keypad. So I pulled on it and it came right off. Then I pulled on the card reader and it came off too. They were both held in place with double-sided tape.&amp;quot; McGlynn had discovered an ATM skimmer\u2014a device attached to an ATM by criminals looking to steal bank card information and/or PINs. The simplest skimmer setups involve little more than a $300 magnetic stripe reader and a hidden camera aimed at the ATM keypad. The reader snaps up your card&amp;#039;s information, and the camera records your PIN as you enter it. With this information, a perpetrator can create and use a phony plastic clone of your card. Or, if the setup features a camera aimed at the card reader so as to record the card&amp;#039;s printed security code, they can also use the information to make online purchases.  All the information gathered is either stored on a memory card or connected laptop hidden nearby, or sent to another computer via a 3G wireless card. In some cases, the mag stripe reader is placed next to the ATM&amp;#039;s actual card slot, which is covered with an &amp;quot;Out of Order&amp;quot; sign. The false reader also may be placed directly over the real card slot, sucking up data as the card passes through to the bank&amp;#039;s machine. When this happens, users get cash and a receipt as if nothing had happened. While nobody knows just how many ATM skimmers are out there, reports have been surging. Over the course of just one week in April, at least three were discovered on Washington Mutual/Chase ATMs around the country. This past week, four Romanians were arrested for setting up skimming devices on multiple machines across New York state, allowing them to wire almost $2 million in stolen funds back to Eastern Europe. Also this week, the NYPD discovered another skimming operation set up on several Sovereign Bank ATMs in Staten Island. The total take: more than $500,000 from more than 250 victims. And the banks acknowledge the skimmers have become a problem. &amp;quot;We have security and fraud teams investigating these and other incidents that have come to our attention,&amp;quot; Christine Holevas, a spokesperson for Chase Bank, says. &amp;quot;But consumers need to know that they are not liable for any charges or withdrawals they do not make.&amp;quot; Unfortunately, the barrier of entry for would-be thieves is low. &amp;quot;A criminal can do a simple Google search, spend some money buying some parts on eBay, and within a couple of days have a fully operational card skimming operation in place,&amp;quot; John Pironti, president of digital security consulting firm IP Architects, says. Because these parts are often cobbled together from various sources, few ATM skimmers look exactly alike. The camera could be from a cell phone, the battery an off-the-shelf lithium-ion cell. Criminals aren&amp;#039;t interested in creating a polished device\u2014just something that works well enough to steal information for a few hours or days before it gets discovered and removed.  (Photographs by Nick McGlynn) So how can you spot a skimmer? &amp;quot;If it looks like something&amp;#039;s been attached, snapped or glued onto the ATM, that&amp;#039;s a warning sign,&amp;quot; Pironti says. &amp;quot;ATMs are pretty straightforward, so if something looks physically wrong, it probably is.&amp;quot;  &amp;quot;Be vigilant at ATMs,&amp;quot; says Secret Service special agent Malcolm D. Wiley Sr. &amp;quot;Visually and physically check the machine,&amp;quot; he says. &amp;quot;Most skimmers, key pad overlays, and cameras will be recognizable to the typical ATM user.&amp;quot; In particular, users should pay attention to the card reader and anything that protrudes from the machine, such as a mirror or pamphlet-holder\u2014these are prime hiding places for tiny cameras. It can&amp;#039;t hurt to give any of these items a quick tug to make sure they weren&amp;#039;t glued or taped into place. Another red flag: Any machine in a row of ATMs that looks different from the others.  And always do your best to conceal your fingers as they type your PIN (try holding your other hand over the one typing). That way, even if there is a hidden camera, it will have a hard time capturing your PIN. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.popularmechanics.com/technology/security/how-to/a4255/4317274/>