Prior to Apple determined that it intended to get rid of the UDID system, it was among the very best tools British knowledge specialists had to track iPhone users throughout different services, according to a brand-new file (PDF) dripped by Edward Snowden and posted in Der Spiegel.

The report, dated Nov 2010, details how “the iPhone Distinct Device Identifier (UDID) could be utilized for target tracking and could be made use of to associate with end point equipments and target phone,” the report’s summer season notes.

Britian’s GCHQ (Federal government Communications Head office) discovered that by seeing for a particular device’s UDID to pop up using a jeopardized computer or internet internet browser and further nail down a person’s designs and typical places. The UDID system basically left a trail of digital breadcrumbs that could easily be tracked with the GCHQ’s systems.

The complete report is certainly really technical but certainly worth a read anyway, as it offers an intriguing glimpse of the behind-the-curtain job to crack mobile tracking.

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