Delivery apps are glitching and navigation routes are changing abruptly thanks to electronic warfare disrupting the satellite signals that power everything from missiles to your ride home.

The war with Iran is laying bare the dangers posed to commercial ships and planes by the rise of GPS interference in and around conflict zones.

A key geospatial intelligence firm on Tuesday announced a new product that can operate drones even in areas where the GPS signal has been jammed - cutting through modern defenses in the age of ...