Thwart laptop thieves by shutting off your wi-fi

Devin Coldewey

Devin Coldewey is a Seattle-based writer and photographer. He has written for the TechCrunch network since 2007. Some posts he’d like you to read: The Dangers of Externalizing Knowledge | Generation i | Surveillant Society | Choose Two | Frame Wars | The User’s Manifesto | Our Great Sin His personal website is coldewey.cc. → Learn More

Wednesday, March 3rd, 2010


Most of us don’t think twice about lugging a $2000 object to a public place and then leaving it for five minutes to grab a coffee refill — with no other assurance that it won’t be stolen than that there are other people around. I’ve started being a bit more careful since laptop theft has gone up around here, but it’s just as easy to forget that laptop rustlers don’t just hang out in cafes. And if they’re savvy, they may even employ wireless signal trackers to pinpoint the location of laptops hidden under car seats, in trunks, or in garages.

It seems (although I’m not sure how true this is for different types and makes) that some laptops keep their wireless on for a set time after being shut or told to sleep — probably because people often remember something they needed to look up, and pop the laptop back open. Laptop thieves make use of cheap wi-fi strength indicators available at any Fry’s to find a likely car and then, I suppose, bust it open the usual way.

People are advised to shut down their wi-fi before putting their computers to sleep, or else fully shut down the machine. Seems reasonable enough, but why do I suspect most people won’t take this advice?

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