At the Black Hat security conference in Las Vegas earlier this month, researchers demonstrated how a Nest thermostat can be hacked, to show how easily connected appliances—the household technologies that make up the Internet of Things—can be compromised. When you look beyond the demo’s hyperbolic headlines, it turns out the hack requires physical access to the Nest device, but the questions remains, “How vulnearable is IoT?”

To find out, David Jacoby, a security researcher with Kaspersky Lab, hacked his own living room. 

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