The US Military Quietly Turned GPS Into a Global 'Numbers Station,' Evidence Suggests
A security researcher says evidence suggests the U.S. military has been using an obscure GPS message field for nearly 20 years to broadcast encrypted key-distribution data, effectively turning GPS satellites into a global "numbers station." The hidden-looking…
[...] From the beginning, he suspected that the subframe field contained encrypted transmissions because the data was so random. "Random data is actually very unusual to get in nature," Murdoch said.… [+3035 chars]