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A small surveillance drone flies over an Austin stadium, diligently following a series of GPS waypoints that have been programmed into its flight computer. By all appearances, the mission is routine.
Suddenly, the drone veers dramatically off course, careering eastward from its intended flight path. A few moments later, it is clear something is seriously wrong as the drone makes a hard right turn, streaking toward the south. Then, as if some phantom has given the drone a self-destruct order, it hurtles toward the ground. Just a few feet from certain catastrophe, a safety pilot with a radio control saves the drone from crashing into the field.
From the sidelines, there are smiles all around over this near-disaster. Professor Todd Humphreys and his team at the University of Texas at Austin's Radionavigation Laboratory have just completed a successful experiment: illuminating a gaping hole in the government’s plan to open US airspace to thousands of drones.
They could be turned into weapons.
“Spoofing a GPS receiver on a UAV is just another way of hijacking a plane,” Humphreys told Fox News.
In other words, with the right equipment, anyone can take control of a GPS-guided drone and make it do anything they want it to.
“Spoofing” is a relatively new concern in the world of GPS navigation. Until now, the main problem has been GPS jammers, readily available over the Internet, which people use to, for example, hide illicit use of a GPS-tracked company van. It’s also believed Iran brought down that U.S. spy drone last December by jamming its GPS, forcing it into an automatic landing mode after it lost its bearings.
In February, under pressure from the Pentagon and drone manufacturers, Congress ordered the FAA to come up with rules to allow government and commercial use of UAVs over American soil by 2015. The plan could eventually see police drones keeping watch over U.S. cities, UAVs monitoring transmission lines for power companies, or cargo plane-size drones guided by GPS pilotlessly delivering packages across the country. FedEx founder Fred Smith has said he would like to add unmanned drones to his fleet as soon as possible.
The new rules have raised privacy concerns about a "surveillance society," with UAVs tirelessly watching our every move 24/7. But Humphreys’ experiments have put an entirely new twist on the anxiety over drones.
“What if you could take down one of these drones delivering FedEx packages and use that as your missile? That’s the same mentality the 9-11 attackers had,” Humphreys told Fox News.
It’s something the government is acutely aware of. Last Tuesday, in the barren desert of the White Sands Missile Range in New Mexico, officials from the FAA and Department of Homeland Security watched as Humphrey’s team repeatedly took control of a drone from a remote hilltop. The results were every bit as dramatic as the test at the UT stadium a few days earlier.
Originally posted by mileysubet
The one serious flaw I see in the test is that the GPS signal used to guide/navigate a drone is heavily encrypted. The same goes for the telemetry used to manually control them...
Unlike military UAVs, which use an encrypted GPS system, most drones that will fly over the U.S. will rely on civilian GPS, which is not encrypted and wide open to infiltration. Humphreys warns it is crucial that the government address this vulnerability before it allows unmanned aerial vehicles broad access to U.S. airspace.
Originally posted by Zaphod58
It's fairly easy to put encryption on the links going to and from the UAV, that would make it impossible, or at least extremely difficult for anyone to take over the aircraft. Military UAVs already use encryption for their links, and it wouldn't be difficult to take that same encryption and add it to a UAV owned by a civilian agency.
Originally posted by Zaphod58
reply to post by FractalChaos13242017
There are plenty of commercially available encryption programs that can be used on a UAV. You don't need to have government encryption to make a UAV safe.
UAVs WILL be regulated by the FAA and other organizations. Random inspections, and other procedures can be put in place to ensure that the links are encrypted.
Originally posted by Wertdagf
The only way to prevent this is to give the drones a mind of their own.
This is why darpa is so interested in AI. Although i doubt they see as far into the future as i do.
Originally posted by Zaphod58
The GPS Modernization talked about by Spirenet will include commercial encryption. The Galileo GPS system being launched by the ESA will have a couple of commercial encryptions included.
www.spirent.com...
www.esa.int...
Originally posted by Zaphod58
It's fairly easy to put encryption on the links going to and from the UAV, that would make it impossible, or at least extremely difficult for anyone to take over the aircraft. Military UAVs already use encryption for their links, and it wouldn't be difficult to take that same encryption and add it to a UAV owned by a civilian agency.
Originally posted by Zaphod58
reply to post by dowot
Everyone talks about slamming them into a building, or something like that. Even in a large crowd, a 6 pound UAV is NOT going to do massive damage. You might see 10-15 people killed, but the only truly significant effect will be the aftermath of it happening. The injuries, and the fear.
Originally posted by FractalChaos13242017
Originally posted by Wertdagf
The only way to prevent this is to give the drones a mind of their own.
This is why darpa is so interested in AI. Although i doubt they see as far into the future as i do.
I think AI is a great idea of surveillance only, but if there's any form of weaponry on a AUV... no way in hell!
That's the last thing we need is some computer scripted behavioral pattern recognition software being used to kill people!