pp. The hijacking of a drone, either by physically capturing the device or by compromising its navigation system.
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I'm concerned about physical hijacking (dronejacking?).
—jobigoud, “Delivery by drone in Sydney” (comment), Reddit, October 14, 2013
With the planned integration of civilian drones in the American airspace, these problems might be coming to the U.S. The FAA must come up with new rules to allow for a freer use of drones in America by 2015 and, apart from worrying about possible collisions between manned and unmanned aircrafts, now the FAA might have to worry about people hijacking drones with spoofing devices.

What’s worse, the experiment at White Sands shows that drone-jacking is "just the tip of the iceberg of a much bigger security issue we have in this country," according to Logan Scott, a GPS industry consultant who has worked for defense giants like Lockheed Martin.
—Lorenzo Franceschi-Bicchierai, “Drone Hijacking? That’s Just the Start of GPS Troubles,” Wired, July 06, 2012
2011 (earliest)
highly likely the chinese did the virus attack. it looks more like a dronejacking 2 me. Otherwise, the drone could not be in such a good shape.
How bout a dronejacker module, while in use any drones attacking you roll against the module (Like ECM) if they fail they are under your control (up to the limits of your drone skills) for 30 seconds to a minute.
—Gierling Gallente, “countermeasure modules,” EVE Online Forums, June 03, 2006