Connected to whom? The invisible danger of smart home devices

My television has one job. It plays Netflix while I scroll through my phone and fail to pay proper attention to either screen. Until recently, I thought this was the only questionable arrangement in the room.

I had not considered that a television, streaming box or even a digital picture frame could also be lending my internet connection to somebody I have never met. Not necessarily stealing my passwords or watching me through a camera. Simply allowing a stranger’s online activity to appear as...