At the Black Hat USA 2016 event last year, Francis Brown, Managing Partner at security firm Bishop Fox demonstrated the Danger Drone, an airborne hacking device.

This year Brown and Bishop Fox returned to the Black Hat Conference to discuss how to prevent drone-borne hacking or other forms of espionage, in a colorfully-named Black Hat Arsenal talk called “The Game of Drones.”

In an interview with eWEEK ahead of his talk Brown said that over the past year he has become interested in the nascent drone defense market, which now includes multiple vendors that claim to offer tools that can protect against drone-borne spying or cyber-attacks.

Read the full story in Defending Against Drone Incursions Isn’t Easy, Black Hat Session Reveals