This will be a growing source of cyber attacks as more and more common devices are connected to the Internet (or made into smart devices). In this case smart tooth brushes were hacked and used to do a Denial of Service Attack on a corporate webserver.
https://www.notebookcheck.net/3-million-smart-toothbrushes-cause-millions-in-damage-due-to-DDoS-attack.800810.0.html
