Yes, you can remotely hack ... building site cranes. Wait, what?
https://www.theregister.co.uk/2019/01/15/even_cranes_are_hackable_trend_micro/
Did you know that the construction industry uses radio-frequency remote controllers to operate cranes, drilling rigs and other heavy machinery? Doesn't matter: they're alarmingly vulnerable to being hacked, according to Trend Micro.