Drones pose an ongoing security threat in both the military and civilian  sector, as they are undetectable by radar systems in a congested airspace. While near-misses are recurrent, it is only a matter of time before a serious incident occur, which could prove disastrous. Defence IQ wanted to delve deeper into the reality of countering drones for the radar sector and asked Jens Lehmann, Senior Air Traffic Controller at the International Federation of Air Traffic Controllers' Associations and speaker at Military Radar 2018 to give his exclusive insight on the matter, from the current lack of technical solutions to the need to address this issue globally.