Have you ever stared blankly at the control panel of a hot tub, baffled by even the simplest of tasks — such as how to turn on the jets, or adjust the temperature, or even just turn the damn thing off ...

Hot tubs are supposed to be a great way to relax, but that’s a little harder to do when you aren’t in control of them. Thousands of hot tubs running a system made by Balboa Water Group have exploits ...