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How to fake an ATM

Next time you use a bank machine, check closely to make sure it’s the real thing. Cops in San Francisco report that thieves are now installing fake overlays on banking ATMs. The fakes swallow your card, record your PIN, and report that they’re out of service; the thieves show up later to remove the fake overlay and harvest the cards and collected PINs.

As crimes go, I gotta had it to these scam artists: That takes work. It’s also quite successful, according to a story in last week’s San Francisco Examiner:

Daly City nurse Elaine Flaherty’s ATM card was swallowed at a Washington Mutual bank in the West Portal district March 13, and within hours thieves had milked $4,000 from the card, using it from San Mateo to Los Angeles.

After poking around online a bit, I discovered a fascinating summary written up by Diebold — the leading manufacturer of ATMs — of the latest card-scamming techniques (PDF link). Some of the tricks are pretty low-fi. In some cases, the scam artists put a simple jamming device on the ATM’s card-slot that gets the card stuck inside. Then they put a fake sticker on the ATM saying that “if your card doesn’t work, try typing your PIN again”, which gives the shoulder-surfing thieves a chance to watch and remember it again. When you give up and walk away, they retrieve your card and withdraw all your cash. But some of the cons are more high-tech. In some cases, the criminals also put a fake 12-button keypad over the ATM’s real keypad; their fake records your PIN. And that artificial overlay for the entire machine, pictured above, is the ne plus ultra of this flimflammery.

It occurs to me that one of the reasons the fake overlays work is that real ATMs these days are often so shoddily designed that they already look fake. Sure, the ATMs embedded into the side of banks are usually pretty gleaming and high-tech. But the bank machines you find in crummy corner bodegas, composed of cheap aluminum and early-80s-vintage all-green video displays? Those things look like badly-assembled droids from the first Star Wars. No wonder it’s so easy to dupe banking customers. Using materials I’ve got lying around my kitchen, I could probably create a reasonable facsimile of the ATMs in most Manhattan bagel shops.

(Thanks to El Rey for this one!)


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I'm Clive Thompson, a writer on science, technology, and culture. This blog collects bits of offbeat research I'm running into, and musings thereon.

Currently, I'm a contributing writer for the New York Times Magazine and a columnist for Wired magazine. I also write for Fast Company and Wired magazine's web site, among other places. Email or AOL IM me (pomeranian99) to say hi or send in something strange!

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May 20, 2011 » 02:28 PM

From Christopher Kennedy’s very droll book “Neitzsche’s Horse”.

July 28, 2010 » 07:35 AM
“Wr” - S

July 06, 2010 » 10:05 AM

My Xbox broke, and I was trying to Google some possible technical solutions, when I noticed that Google appears to be encouraging me to make a typo. I suppose it’s possible that Google’s algorithms know that typing “wont” instead of “won’t” would produce better results.

June 29, 2010 » 05:00 PM

On the other hand, when I tried the test for multitasking, I was pretty abysmal. I performed worse than people who identify themselves as heavy multitaskers, and those who identify as low multitaskers.

June 29, 2010 » 04:58 PM

I finally got around to trying out the interactive “test your distractability and multitasking” page at the New York Times, which they put up alongside their story earlier this month about how computer distractions are eroding our lives. 

According to the test, I guess I have good focus — I’m not very distractable! 

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