Linked by Thom Holwerda on Fri 19th Apr 2013 14:09 UTC
Apple "All of those questions, messages, and stern commands that people have been whispering to Siri are stored on Apple servers for up to two years, Wired can now report. Yesterday, we raised concerns about some fuzzy disclosures in Siri's privacy policy. After our story ran, Apple spokeswoman Trudy Muller called to explain Apple's policy, something privacy advocates have asking for." Apple cares about your privacy.
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Hard to know the truth
by Alfman on Fri 19th Apr 2013 18:14 UTC
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"Once the voice recording is six months old, Apple 'disassociates' your user number from the clip, deleting the number from the voice file."

Company PR staff may innocently think there's no problem even though there could be. One might assume that deleting the foreign keys is enough, but consider how AOL was overconfident and once failed to properly "anonymize" data that got released. Now I doubt apple would ever allow user data to exit it's walls, but it's still conceivable that an accurate correlation method still exists.

If there are timestamps in both the user logs and voice records, one might be able to correlate those. Even without any IDs at all, if the records are sequentially ordered the same way in two systems, they might be identifiable. Re-correlating records could be an interesting CS challenge.

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