The real danger of cyberwar is that it can be difficult to figure out who did it and that non-state actors can cause serious devastation.
Agreed. So cybersecurity is important. Yet feared by the masses. What's a mother to do?

The real danger of cyberwar is that it can be difficult to figure out who did it and that non-state actors can cause serious devastation.
Hacking your car?
Can Your Car Be Hacked? (yes, if you have a newer model).
Researchers reveal methods behind car hack at Defcon
Their test cars were a 2010 Ford Escape and a 2010 Toyota Prius.
Some of the things they were able to achieve by hooking a laptop to the ECU communications network and injecting rogue signals into it included disabling the breaks while the car was in motion, jerking the steering wheel, accelerating, killing the engine, yanking the seat belt, displaying bogus speedometer and fuel gauge readings, turning on and off the car's lights, and blasting the horn.
The researchers also found a way to achieve persistent attacks by modifying the ECU firmware to send rogue signals even when they were no longer physically connected to the control units.
And concerning Michael Hastings' death...
Hacking your car?
Can Your Car Be Hacked? (yes, if you have a newer model).
Researchers reveal methods behind car hack at Defcon
Their test cars were a 2010 Ford Escape and a 2010 Toyota Prius.
Some of the things they were able to achieve by hooking a laptop to the ECU communications network and injecting rogue signals into it included disabling the breaks while the car was in motion, jerking the steering wheel, accelerating, killing the engine, yanking the seat belt, displaying bogus speedometer and fuel gauge readings, turning on and off the car's lights, and blasting the horn.
The researchers also found a way to achieve persistent attacks by modifying the ECU firmware to send rogue signals even when they were no longer physically connected to the control units.
And concerning Michael Hastings' death...