By Olivia Solon
GPS "spoofers" -- devices that create false GPS signals to fool receivers into thinking that they are at a different location or different time -- could be used to defraud financial institutions, according to Todd Humphreys from the University of Texas.
On an innocuous level, GPS spoofing can lead to the confusing of in-car GPS systems so that users think they are in a different location to their actual location. However, a more sinister use could be to interfere with the time-stamping systems used in high frequency trading.
Financial institutions depend on timing that is accurate to the microsecond on a global scale so that stock exchanges in, say, London and New York are perfectly synchronised. One of the main ways of doing this is through GPS, and major financial institutions will have a GPS antenna on their main buildings. "They are always visible because they need a clear view of the sky," Humphreys told Wired.co.uk.
texas, new york, london, university of texas, wired.co.uk, time-stamping systems, gps, todd humphreys, technology, navigation, satellite navigation systems, wireless, radio navigation, aerospace engineering, global positioning system, gps signals
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