Any factory can be attacked with intentions of sabotage or espionage.
Stadiums, scenarios and concurrent events that may be targeted by vandals or onlookers.
An environment not suitable for a UAV (dron) that can cause a catastrophe.
They can expose your personal safety, your privacy and your properties.
Compromise resources and facilities with terrorist attacks or espionage intentions.
It can be a perfect tool for sabotage, messaging or smuggling.