Droning on at Farnborough
Media playback is unsupported on your device
Video

Farnborough Airshow: Keeping drones safe from harm

How to protect technology such as drones from cyberattacks is one of the big issues at the Farnborough Airshow.

The show is the biggest gathering of the year for the global aerospace and defence industry and began on Monday.

Theo Leggett reports.

Go to next video: China's aviation expansion ambitions