When GPS lies at sea: How electronic warfare is threatening ships and their crews
Quick Insights
The Bottom Line
Electronic warfare is threatening ships and crews through GPS jamming and spoofing, causing navigation hazards.
How This Affects You
Disruptions to global shipping due to GPS interference could impact supply chains, potentially affecting the availability and cost of goods you purchase.
AI Summary
The war in Iran has highlighted the increasing vulnerability of ships to navigation system disruptions. Modern shipping relies heavily on GPS, and when these signals are jammed or spoofed, ships can appear to be in incorrect locations, leading to disorientation and potential hazards. In May 2025, the container ship MSC Antonia ran aground in the Red Sea after its GPS showed it hundreds of miles from its true location, resulting in millions of dollars in damage and a five-week salvage operation. These incidents, including circular loops in the Black Sea in January 2025, are increasingly linked to GPS spoofing in geopolitical conflict zones. Beyond GPS interference, ships also face cyber threats like ransomware attacks and supply chain compromises targeting onboard control systems.
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