The recent exposure of a French warship’s location through Strava has once again drawn attention to the hidden risks of digital tools.

Fitness apps are designed to track performance, motivate users, and encourage sharing. But in certain contexts, they can become powerful surveillance tools. When users leave their data public, they may unknowingly broadcast sensitive information—including their exact location.

In this case, a soldier’s jogging route reportedly revealed the position of the Charles de Gaulle, a key military asset operating in a volatile region.

This is not the first time such an issue has surfaced. In 2018, Strava released a global “heat map” showing popular running routes. The map unintentionally exposed military bases in remote areas such as Afghanistan and Syria, where activity should have remained confidential.

Experts warn that these risks are not limited to soldiers. Anyone using location-based apps—especially in sensitive roles—could expose critical data if privacy settings are not properly managed.