Fitness Tracking App Gives Away Locations of US Army Bases
Alex Hern (via Bruce Schneier):
Sensitive information about the location and staffing of military bases and spy outposts around the world has been revealed by a fitness tracking company.
The details were released by Strava in a data visualisation map that shows all the activity tracked by users of its app, which allows people to record their exercise and share it with others.
The map, released in November 2017, shows every single activity ever uploaded to Strava – more than 3 trillion individual GPS data points, according to the company. The app can be used on various devices including smartphones and fitness trackers like Fitbit to see popular running routes in major cities, or spot individuals in more remote areas who have unusual exercise patterns.
The concerns raised by the online map went beyond sensitive military sites, with evidence that Strava could help reveal the movements of international aid workers, intelligence operatives and millions of other people in many countries.
In the latest discoveries Monday, Internet sleuths found ways of using the publicly available Strava data to identify individual users of the tracking service by name, along with the jogging routes they use in war zones such as Iraq and Afghanistan.
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Privacy experts have long warned that tech companies often make personal information — including contact lists, social media posts and location data — available by default. That means users who do not routinely read privacy notices and tweak settings can be surprised by how much information is collected by private companies, as well as how that data ultimately is used.
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The company posted its response.
https://blog.strava.com/press/a-letter-to-the-strava-community/
