Strava's Fitness Heatmap Makes it Easy to Find Military Bases

Image Google Maps

Image Google Maps

The ADF was approached for comment and the US military was looking into the matter.

Highly sensitive information about US soldiers wearing fitness devices was exposed by an Internet map that gave away their location and activities around the world.

Strava, a social network for runners and cyclists to track their work-outs via satellite navigation, released a heat map showing the activity of its users worldwide.

The US military is examining the heatmap, a spokesman said.

The military believes this software could be a major potential security threat.

By far the strongest heat signal led into Pine Gap from the main access road, and the map even showed a shortcut used to cut a corner jogging around perimeter.

When Strava released the heatmap, an updated version of one it had previously published in 2015, it announced that "this update includes six times more data than before - in total 1 billion activities from all Strava data through September 2017".

'Data shows either phones/fitbits appear to enter secure buildings.it's faint, but plenty of Strava data crisscrossing ASIO, ' she said on Twitter.

While the locations of military bases are generally known, there are concerns about the level of activity it reveals about personnel inside and around the bases.

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The map was posted online in November but the sensitive information was only publicised on Sunday after a 20-year-old global security and Middle East studies student from Australia zoomed into military bases.

"I just looked at it and thought, 'oh hell, this should not be here - this is not good, '" he told the BBC. However, some areas are unknown locations, which probably mean that they are secret outposts where American soldiers and other military personnel operate.

A more intense light displays the level of activity and the movement of personnel within the walls.

Mr Ruser, 20, said he was shocked by how much detail he could see.

"You can see the main supply highway for United States forces in Syria, and I just remember thinking: "F**k, that's not good".

The American satellite navigation service Strava past year launched its Global Heat Map, a visualisation of user data showing the location of its 27 million subscribers including owners of Fitbit, Jawbone and Vitofit fitness monitors.

In locations like Afghanistan, Syria and Djibouti the users of Strava seem to be nearly exclusively foreign military personnel. It excludes activities that have been marked as private and user-defined privacy zones.

"We are committed to helping people better understand our settings to give them control over what they share", it said.

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