Meta and Yandex are de-anonymizing Android users’ web browsing identifiers
Abuse allows Meta and Yandex to attach persistent identifiers to detailed browsing histories.
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Is this kind of thing why uBO added the localhost / localnet filter? Or does this go beyond that?
I think so.
Some browsers for Android have blocked the abusive JavaScript in trackers. DuckDuckGo, for instance, was already blocking domains and IP addresses associated with the trackers, preventing the browser from sending any identifiers to Meta. The browser also blocked most of the domains associated with Yandex Metrica. After the researchers notified DuckDuckGo of the incomplete blacklist, developers added the missing addresses.