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Investigators seek push notification metadata in 130 cases
(go.theregister.com)
Privacy has become a very important issue in modern society, with companies and governments constantly abusing their power, more and more people are waking up to the importance of digital privacy.
In this community everyone is welcome to post links and discuss topics related to privacy.
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This.
If there’s a notification for an encrypted group chat, you can use that metadata to identify the devices of all parties involved in that chat, because the push system has to queue all that up and send it at the same time.
That’s just one valuable use of this data.