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A French Navy officer accidentally leaked the location of an aircraft carrier by logging his run on Strava

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Why This Matters

This incident highlights the privacy risks associated with fitness tracking apps like Strava, especially when users inadvertently share sensitive location data. For the tech industry and consumers, it underscores the importance of understanding privacy settings and the potential security implications of sharing location information publicly. As fitness apps become more popular, stricter privacy controls and user awareness are crucial to prevent security breaches and protect sensitive information.

Key Takeaways

In Brief

A French Navy officer went for a run on the deck of the Charles de Gaulle aircraft carrier and uploaded his workout to Strava, inadvertently leaking the location of the nuclear-powered warship as it heads to the Middle East.

First reported by French newspaper Le Monde, the story is not an anomaly — this popular fitness tracking app has proven to be a privacy nightmare before.

By default, accounts on the social fitness app are set to public, publishing your route any time you log a workout. Strava data has previously been used to locate military bases around the world. In 2024, Le Monde uncovered French President Emmanuel Macron’s whereabouts by searching for the Strava accounts of his bodyguards, who uploaded public workout data while traveling with him.

An anonymized graphic from Le Monde showing the run in question Image Credits:Le Monde (opens in a new window)

Macron had publicly announced the carrier’s deployment, so its movement through the Mediterranean was already known. But obviously, the French military is still put at serious risk when an officer telegraphs its precise location. A representative for the French Armed Forces told Le Monde that the officer’s behavior “does not comply with current guidelines,” which “sailors are regularly made aware of.”

Strava did not respond to TechCrunch’s request for comment before publication, but let this serve as a reminder for all; even if you’re not in the military, it’s probably worth setting your Strava account to private.