Comms patterns ID OS, browser and application
17 Mar 2016 at 07:56, Richard Chirgwin Encryption might hide important content from prying eyes, but a group of Israeli researchers has found that HTTPS traffic alone can fingerprint a user's operating system, browser, and application.
With a big enough learning set, they write, they were able to identify users' environments with 96.06 per cent accuracy.
In their paper at Arxiv, the group – from Ariel University and the Ben-Gurion University of the Negev – show that the characteristics of communication traffic (timing, flows in both directions, variations in packet size and the like) are distinctive enough to create the fingerprint.
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