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Security researchers tracked and eavesdropped on a WIRED reporter using vulnerabilities in a pink plastic smartwatch. It’s just one piece of a deeply insecure supply chain of GPS-enabled gadgets.
This is interesting: The U.S. military has likely been quietly broadcasting codes for its global encryption network using public GPS for nearly 20 years, turning each satellite into a hidden “numbers station,” according to Steven Murdoch… That means every device that uses GPS has been receiving hidden government information for years, and nobody outside the military knew it until now. […] Murdoch discovered that this particular sentinel was transmitted by all 31 operational satellites within a window of a few hours on May 26, 2011, potentially heralding the activation of a new operational system. He confirmed that this timeline coincided with the rollout of the military’s Over-the-Air Distribution (OTAD) and the Over-the-Air Rekeying (OTAR) by cross-referencing declassified documents, including a 2015 presentation about the dates of the operation...
Mystery of GPS interference across Europe raises questions about Russian motives.
NASA science satellites show dual use in locating sources of GPS interference.