A FEW HOURS after dark one evening earlier this month, a small quadcopter drone lifted off from the parking lot of Ben-Gurion University in Beersheba, Israel. It soon trained its built-in camera on its target, a desktop computer’s tiny blinking light inside a third-floor office nearby.

https://www.wired.com/2017/02/malware-sends-stolen-data-drone-just-pcs-blinking-led/