Washington — A map showing paths taken by users of an exercise tracking app reveals potentially sensitive information about American and allied military personnel in places including Afghanistan, Iraq and Syria. While some bases are well known to groups that want to attack them, the map also shows what appear to be routes taken by forces moving outside of bases — information that could be used in planning bombings or ambushes. The map, made by Strava Labs, shows the movements of its app users around the world, indicating the intensity of travel along a given path — a "direct visualisation of Strava’s global network of athletes", it says. Routes are highlighted over large parts of some countries, but in others, specific locations stand out. The map of Iraq is largely dark, indicating limited use of Strava’s app, but a series of well-known military bases where American and US-led antijihadist coalition forces have been deployed are highlighted in detail. These include Taji north of Ba...

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