9 years ago
The Turn-Verizon Zombie Cookie
Verizon Wireless injects a unique header into customer web traffic. When the practice came to light last year, it was widely panned. Numerous security researchers pointed out that this “supercookie” could trivially be used to track mobile subscribers, even if they had opted out, cleared their cookies, or entered private browsing mode.1 But Verizon persisted, emphasizing that its own business model did not use the header for tracking.
Continue Reading
http://webpolicy.org
Join the Discussion