Researcher shows how ML models can create low-resolution images from PhotoDNA hashes, used to identify CSAM, despite Microsoft's claim they can't be r

[Techmeme]

Anish Athalye:
Researcher shows how ML models can create low-resolution images from PhotoDNA hashes, used to identify CSAM, despite Microsoft's claim they can't be reversed — Microsoft PhotoDNA creates a “unique digital signature” of an image which can be matched against a database containing signatures …