At the core, DO NOT TRACK prevents Apps having access to the Advertising Identif...

		xucheng on May 26, 2021 \| parent \| context \| favorite \| on: M1racles: An Apple M1 covert channel vulnerability At the core, DO NOT TRACK prevents Apps having access to the Advertising Identifier. So different Apps cannot aggregate their analytics data about the users. This vulnerability enables different Apps to communicate a super cookie for cross-app tracking. A possible exploit would be to implement this feature in an AD SDK to be used by different Apps.

But does it actually do anything? Apps can surely identify users by other means, e.g. IP, behaviour...