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July 2019: For weeks, a mysterious source of GPS interference has been affecting aircraft in the Middle East. Since last spring, pilots flying through airspace around Syria have noted that their GPS systems have displayed the wrong location or even stopped working entirely. A few weeks ago, the issue spread to Israeli airspace when pilots started […]

July 2019: Todd Humphreys was awarded the Presidential Early Career Award for Scientists and Engineers (PECASE) for 2019. The PECASE is the highest honor given by the United States government to scientists and engineers beginning their research careers. Nominated for the PECASE by the National Science Foundation (NSF), Dr. Humphreys is also a recipient of the UT Regents’

June 2019: Dr. Todd Humphreys presented to the National Space-Based Positioning, Navigation, and Timing (PNT) Advisory Board at their semi-annual board meeting on June 6, 2019. His presentation, titled “GNSS Radio Frequency Interference Detection from LEO”, is available online. “The National Space-Based PNT Advisory Board provides independent advice to the U.S. government on GPS-related policy, planning, program management,

April 2019: A yearlong study by security experts with the Washington-based think tank C4ADS conducted by identified a pattern in which GPS devices near Putin and his entourage suddenly gave incorrect readings. The researchers also identified five buildings associated with the Kremlin that appeared to employ the technique on a rolling basis. The researchers theorize that one reason “spoofing” is

February 2019: During Brexit negotiations, the EU said the UK cannot retain full access to its Galileo satellite program after Brexit. In November, the UK government officially announced it would be pulling out of the system to concentrate on scoping an alternative system. “Going it alone” could permit the UK to design a system built

August 2018: Drones are increasingly becoming a security hazard in many ways. These include the weaponization of drones, targeting of commercial flights, and even attacks on heads of state. Current countermeasures include jamming the signal between the drone and the user, or even shooting the drone, but these have their own limitations and legal problems.

August 2018: Drones have become more present and accessible in the last couple of years. Their increasing presence now poses as a security challenge for authorities worldwide. These drone threats include everything from the security of heads of state to unauthorized surveillance. Defense strategies are being implemented to intercept drones being used in these ways.

August 2018: Once started as a military project, GPS has found its way into the pockets of people worldwide, but it isn’t just used for maps. In fact, it is a very precise clock for computers around the Earth. When the GPS network fell apart for hours in 2016, it showed the network’s vulnerability to

August 2018: Once started as a military project, GPS has found its way into the pockets of people worldwide, but it isn’t just used for maps. In fact, it is a very precise clock for computers around the Earth. When the GPS network fell apart for hours in 2016, it showed the network’s vulnerability to

A preliminary NTSB report involving the fatal Tesla crash in March has just be released. The report describes the accident:  A Tesla Model X operating in Autopilot mode was originally following a car in front of it. Seven seconds before the crash, the system began steering left and accelerated into a highway barrier. The driver’s