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Our devices are spilling our secrets

Our devices are spilling our secrets

Posted Aug 2, 2007 3:36 UTC (Thu) by mattdm (subscriber, #18)
Parent article: Our devices are spilling our secrets

All digital cameras have built-in "yellow dots", because the noise pattern from each individual sensor is like a fingerprint. It's only a matter of time before this becomes a privacy issue.


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Our devices are spilling our secrets

Posted Aug 2, 2007 4:04 UTC (Thu) by ncm (subscriber, #165) [Link]

... if in fact it hasn't already. There's nothing to prevent camera (and cellphone) manufacturers from recording the fingerprint of each device before shipping it, and they could have been doing it for years already.

I wonder to what degree resampling obscures the fingerprint.

Our devices are spilling our secrets

Posted Aug 9, 2007 9:41 UTC (Thu) by pimlottc (guest, #44833) [Link]

Very interesting, I hadn't heard this before. But I imagine it would require a decent number of images to analyzed (granted, not a problem in the Harry Potter case). And I'd guess it would be very easy to alter the fingerprint with a few simple GIMP/Photoshop filters.


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