GPS Spoofing Is Disrupting Ship Navigation in the Strait of Hormuz

Ships sailing through the Strait of Hormuz are increasingly encountering a dangerous technological problem: GPS spoofing. This form of electronic interference manipulates satellite navigation signals, causing ships’ navigation systems to display incorrect positions or movement data.  

Instead of showing their real location, some vessels suddenly appear on their screens to be miles away—sometimes even on land or in completely different regions. These false readings can confuse navigation systems and raise the risk of accidents in one of the world’s busiest shipping corridors.  

GPS spoofing works by broadcasting fake satellite signals that imitate legitimate GPS transmissions. When a ship’s receiver locks onto the stronger counterfeit signal, it calculates an incorrect position, speed, or direction.  

This can lead to strange behavior on navigation displays—for example, ships appearing to move in impossible patterns or instantly “jumping” to new locations.

Electronic interference with navigation signals has increased in the Gulf region, particularly during periods of military tension. Countries may jam or manipulate satellite navigation systems to protect military assets, disrupt surveillance, or hide vessel locations.  

However, these measures can also affect civilian shipping because commercial vessels rely heavily on the same satellite navigation signals.