A few links of possible interest:
Fear of Drone GPS Hacking Raised by Congress, including:
?Hacking a UAV by GPS spoofing is but one expression of a larger problem: insecure civil GPS technology has over the last two decades been absorbed deeply into critical systems within our national infrastructure,? Humphries told the subcommittee in his testimony. ?Besides UAVs, civil GPS spoofing also presents a danger to manned aircraft, maritime craft, communications systems, banking and finance institutions, and the national power grid.?
While the skills and equipment required to spoof GPS are not currently available to ?the average person on the street, or even the average Anonymous hacker,? Humphreys said, software-defined radio technology and ?the availability of GPS signal simulators? are starting to put the capability within reach of ?ordinary malefactors.?
GPS Jammers and Spoofers threaten infrastructure, including
During the GNSS Vulnerability 2012 event at the UK?s National Physical Laboratory on Wednesday, experts discussed the threat posed by a growing number of GPS jamming and spoofing devices. The increasing popularity of the jammers is troubling, according to conference organizer Bob Cockshott, because even low-power GPS jammers pose a significant threat to cell phone systems, parts of the electrical grid, and the safety of drivers.
Since cell phone towers and some electrical grid systems use GPS signals for time-keeping, GPS jamming can throw them off and cause outages. ?We?re seeing a large number of low power devices which plug into power sockets in a car,? Cockshott told Ars. ?These devices take out the GPS tracker in the vehicle, but they also create a ?bubble? of interference, sometimes out to up to 100 yards. They?re illegal, so their quality control is generally not good.?
There has also been an emerging threat from more powerful GPS ?spoofing? systems, according to Cockshott, who is also the director of Position, Navigation and Timing technology for the UK?s ICT Knowledge Transfer Network. GPS spoofing attacks can provide both inaccurate location and time information, potentially creating much larger problems than a dropped call. ?There have been incidents where trucks carrying high value goods have been hijacked,? he said, ?where GPS and cell phones have been blocked.?
While such incidents have been rare, Cockshott said, these more high-powered jamming systems cause the greatest concern. The equipment on the systems have power equivalent to that aboard GPS satellites, he said, ?but they?re not 10,000 miles away?they?re a mile away.? Use of these sorts of attacks by criminals or terrorists, especially in bad weather, could lead to the grounding of ships in constrained channels like the Strait of Dover, or cause problems with GPS-based air traffic control.
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Source: http://praxisfound.wordpress.com/2012/07/23/spoofing-the-egg-basket-2/
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