Business Insider –
Facebook canceled a Harvard student’s internship after he created a Google Chrome plugin that highlighted serious privacy flaws in the social network’s messaging service, Boston.com reports.
In May, computer science and mathematics student Aran Khanna built Marauder’s Map. It was a browser plugin that made use of the fact that people who use the Facebook Messenger share their location with everyone they message with by default.
Upon installing the plugin, users could use it to precisely track the movements of anyone they were in a conversation thread with. This included users who they were not friends with on Facebook — and it was accurate to within a meter. Read More