Say Hello to Crazy Thin ‘Deep Insert’ ATM Skimmers

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A number of financial institutions in and around New York City are dealing with a rash of super-thin "deep insert" skimming devices designed to fit inside the mouth of an ATM's card acceptance slot. The card skimmers are paired with tiny pinhole cameras that are cleverly disguised as part of the cash machine. Here's a look at some of the more sophisticated deep insert skimmer technology that fraud investigators have recently found in the wild. This ultra thin and flexible "deep insert" skimmer recently recovered from an NCR cash machine in New York is about half the height of a U.S. dime. The large yellow rectangle is a battery. Image: KrebsOnSecurity.com. The insert skimmer pictured above is approximately .68 millimeters tall. This leaves more than enough space to accommodate most payment cards (~.54 mm) without interrupting the machine's ability to grab and return the customer's card. For comparison, this flexible skimmer is about half the height of a U.S. dime (1.35 mm). These skimmers do not attempt to siphon chip-card data or transactions, but rather are after the cardholder data still stored in plain text on the magnetic stripe on the back of most payment cards issued to Americans. Here's what the other side of that insert skimmer looks like: The other side of the deep insert skimmer. Image: KrebsOnSecurity.com. The thieves who designed this skimmer were after the magnetic stripe data and the customer's 4-digit personal identification number (PIN). With those two…

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