"Your Privilege Gives Your Privacy Away: An Analysis of a Home Security Camera Service," is a new IEEE International Conference on Computer Communications paper by researchers from Queen Mary U and the Chinese Academy of Science.
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The researchers analyzed 15.4m encrypted streams from 211k users' homes and found that they could characterize activity levels in the homes without decrypting the streams. IOW: the encrypted video from your home CCTVs is detectably different when you're not home.
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The researchers were able to do more than figure out if now was a good time to rob your house, though - analysis of the encrypted streams also distinguished different types of motion, like running and sitting.
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Home cameras epitomize the shitty tech adoption curve - our worst technologies ascend a privilege gradient that starts with kids, prisoners, refugees, welfare recipients etc, and works its way to the rest of the world as it's normalized and perfected.
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20 years ago, if you had a camera streaming video from your living quarters to a third party, it was because you were in a supermax prisoner. Now it just means you were unwise enough to invest in Nest, Apple Home, Google Home, or Ring.
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