The Signal 9/11/26 - Your streaming box has a second job

That bargain streaming box promising free everything maybe moonlighting: security researchers keep finding cheap, off-brand Android TV devices that quietly rent out your home internet connection to strangers, criminals' traffic exiting through *your* address, while running ad fraud in the background. How the "too cheap to be true" box economy works, how to tell if a device in your living room is respectable, and the one buying rule that ends the problem.