"On February 28, ships navigating the Strait of Hormuz started appearing on tracking screens in places they couldn't possibly be. They appeared to be sitting on airport runways, parked on Iranian land, and clustered at nuclear power plants. More than 1,100 commercial vessels had their navigation systems scrambled in a single day following US-Israeli airstrikes on Iran, bringing a waterway that handles a fifth of the world's oil exports to a halt."
"GPS was designed for military position, navigation, and timing in the 1960s and 70s. Its signals travel 20,000 kilometers from space, arriving 100,000 times weaker than ambient noise. This makes them easily overwhelmed by low-cost eBay jammers emitting stronger radio noise."
"In 2013, a truck driver with a $100 jammer accidentally knocked Newark Liberty International Airport's GPS offline just to hide from his employer's vehicle tracker. This system is used by over 6 billion people, yet it can be blinded by cheap gadgets."
GPS technology provides enormous economic benefits through fuel savings and logistics efficiency, yet the global system remains dangerously fragile. Recent incidents reveal widespread vulnerability: over 1,100 ships experienced navigation spoofing in the Strait of Hormuz following airstrikes, while Caribbean GPS jamming caused near-collisions and forced manual navigation. GPS disruptions now occur daily worldwide, visible on tracking sites like gpsjam.org. The vulnerability extends beyond conflict zones—a $100 jammer accidentally disabled Newark Airport's GPS. With signals traveling 20,000 kilometers from space at 100,000 times weaker than ambient noise, GPS systems are easily overwhelmed by inexpensive jamming devices accessible to anyone.
#gps-vulnerability #navigation-systems #signal-jamming #critical-infrastructure #dual-use-technology
Read at The Cipher Brief
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