‘Marauders Map’ lets you track friends using FB Messenger: Tool plots a precise location each time someone uses the site

  • Harvard student has created a digital ‘Marauder’s Map’ that uses location data from Facebook Messenger to pinpoint an individual’s movements
  • Relies on people sharing their location by default in messages
  • Map was designed to highlight how much data is leaked from Facebook 

Harry Potter may have had a magical paper ‘Marauder’s Map’ but now there’s a digital equivalent that can pinpoint your friends’ locations using information from Facebook.

The extension loads when the Messages tab is opened and ‘scrapes’ the page for location data to show the movement of friends with a startling degree of accuracy.

While some people may see the map as a useful tool, it serves to highlight how much data Facebook’s messaging service shares – and could leave individuals open to stalking, for example.

Earlier this year, a developer created a browser extension dubbed 'Marauder's Map'. The extension loaded when a person opened their Messages tab and 'scraped' the page for location data to show the movement of friends with a startling degree of accuracy
By |2015-08-19T10:10:53+00:00August 19th, 2015|Tech, Web Security|Comments Off on Facebooks Messenger’s app lets people send their location to friends and it defaults to sending a location with all messages

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