Top Websites Using Audio Fingerprinting to Secretly Track Web Users
May 21, 2016
Despite browsing incognito, blocking advertisements, or hiding your tracks, some websites monitor and track your every move online using a new web-tracking technique called Audio Fingerprinting . This new fingerprinting technique can be utilized by technology and marketing companies to deliver targeted advertisements as well as by law enforcement to unmask VPN or Anonymous users, without even decrypting the traffic. Researchers at Princeton University have conducted a massive privacy survey and discovered that Google, through its multiple domains, is tracking users on nearly 80 percent of all Top 1 Million Domains using the variety of tracking and identification techniques. Out of them, the newest tracking technology unearthed by the researchers is the one based on fingerprinting a machine's audio stack through the AudioContext API . "All of the top five third-parties, as well as 12 of the top 20, are Google-owned domains," the researchers note. "In fact, Goog...