irmadlad
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fedilink
62M

It’s old news that you should never use the same camera for two images that need separate identities.

Sanatize metadata and Exif data?

Seefra 1
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fedilink
172M

That’s probably enough to stop your online mates from doxing you, but a powerful enough adversary can trace the little unique nuanced fingerprints that a camara lens introduces to the picture, and compare it with images from other sources like social media.

There are are many steps that can introduce patterns, like the way the lens blurs as explained in the article, sensor readout noise patterns, a speckle of dust, scratches, I bet chromatic aberrations are probably also different between multiple copies of the lens.

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