Some smart speakers can be hijacked to play creepy sounds

Smart wireless speakers, like those from Sonos or Bose, have totally changed how I listen to music. Forget sacrificing your phone to the 3.5mm jack, or *shiver* putting a CD into the stereo -- just fire up Spotify, find your Wi-Fi connected device, and hit play. But to twist Uncle Ben's words just a little: with great connectivity comes great responsibility. Specifically, the responsibility to make sure that hackers can't hijack your smart speakers to play creepy sound files or control your voic...