> annoying More likely fatal, or at least very costly. To expand: there was the recent[0] attack on Dallas' tornado alarm. Imagine that was a disabling attack

> annoying More likely fatal, or at least very costly. To expand: there was the recent[0] attack on Dallas' tornado alarm. Imagine that was a disabling attack ahead of a tornado instead. [0]: https://www.theregister.co.uk/2017/04/13/dtmf_replay_phreaked_out_the_dallas_tornado_alarm_say_researchers/ https://www.theregister.co.uk/2017/04/13/dtmf_replay_phreake...