EFF Deeplinks company blog
Verizon Injecting Perma-Cookies to Track Mobile Customers, Bypassing Privacy Controls
Verizon users might want to start looking for another provider. In an effort to better serve advertisers, Verizon Wireless has been silently modifying its users' web traffic on its network to inject a cookie-like tracker. This tracker, included in an HTTP header called X-UIDH, is sent to every...
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Security & PrivacySociety, Policy & Culture2014
Cited in comments
Linked from 28 Hacker News comments by 26 different people, from Nov 2014 to Jul 2026.
Most recent:
- dredmorbius · Jul 27, 2026
- ppseafield · Jan 3, 2026
- jimktrains2 · Jan 11, 2021
- woodruffw · Jul 11, 2020
- cosmie · Mar 17, 2020
- heavyset_go · Dec 20, 2018
