Google officially turned off remote control functionality for early Nest Learning Thermostats last month, but it hasn’t stopped collecting a stream of data from these downgraded devices. After digging into the backend, security researcher Cody Kociemba found that the first- and second-generation Nest Learning Thermostats are still sending Google information about manual temperature changes, whether a person is present in the room, if sunlight is hitting the device, and more.
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fter cloning Google’s API to create this custom software, he started receiving a trove of logs from customer devices, which he turned off. “On these devices, while they [Google] turned off access to remotely control them, they did leave in the ability for the devices to upload logs. And the logs are pretty extensive,” Kociemba tells The Verge.
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Google is still getting all the information collected by Nest Learning Thermostats, including data measured by their sensors, such as temperature, humidity, ambient light, and motion. “I was under the impression that the Google connection would be severed along with the remote functionality, however that connection is not severed, and instead is a one-way street,” Kociemba says.
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Source: Google is collecting troves of data from downgraded Nest thermostats | The Verge
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