April 20, 2011
Two security researchers have discovered that Apple’s iPhone keeps track of a user’s location and saves that information to a file that is stored both on the device and on a user’s computer when they sync or back it up in iTunes.
The researchers, Pete Warden and Alasdair Allan, discovered the hidden file while collaborating on a potential data visualization project. “At first we weren’t sure how much data was there, but after we dug further and visualised the extracted data, it became clear that there was a scary amount of detail on our movements,” Warden told The Guardian.
You can watch Allan and Warden’s discussion about the data and how it can be surfaced in this video:
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