“Natural collisions in Apple’s NeuralHash & Microsoft’s PhotoDNA show worrying false positives/negatives in widely deployed perceptual hashing”

At Facebook 2013-16 it was a discreet secret within parts of the Trust & Safety team that PhotoDNA “had problems with collisions but we are not allowed to talk about them” – discussion prevented by Microsoft license terms but also because criticising any “child safety” technology was an industry taboo.

I’m glad this is coming out now:

https://twitter.com/CosicBe/status/2036017010488832122?s=20

#censorship #neuralHash #onlineSafetyAct #photoDna