Apple Says Your iPhone's Usage Data is Anonymous, but New Tests Say That's Not True

TL;DR

The privacy policy governing Apple’s device analytics says the “none of the collected information identifies you personally.” But an analysis of the data sent to Apple shows it includes a permanent, unchangeable ID number called a Directory Services Identifier, or DSID, according to researchers from the software company Mysk.According to Apple’s analytics policy, “Personal data is either not logged at all, is subject to privacy preserving techniques such as differential privacy, or is removed from any reports before they’re sent to Apple.” But Mysk’s tests show that show that the DSID, which is directly tied to your name, is sent to Apple in the same packet as all the other analytics information.Earlier this month, Mysk discovered that Apple collects analytics information even when you switch off an iPhone setting called “Share iPhone Analytics,” an action that Apple pledges will “disable the sharing of Device Analytics altogether.” Days after Gizmodo reported on Mysk’s tests, a class action lawsuit was filed against Apple for allegedly deceiving its customers over the issue.Apple introduced a privacy setting in iOS 14.5 that prevents other companies from harvesting data called App Tracking Transparency, cuing users to decide whether or not to give their data to individual apps with the prompt “Ask app not to track?”The researchers also examined a regular iPhone running iOS 16, the latest operating system, which bolstered their findings.The data was transmitted at the same times under the same circumstances, and turning the available privacy settings on and off likewise didn’t change anything."

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