Earlier quoted context omitted.
Apple's system only concerns exact hash matches, and is built so transformed images hash to the same number.
> and is built so transformed images hash to the same number. That is the goal of all perceptual hashing algorithms. > Apple's system only concerns exact hash matches Then it is almost useless. All someone would need to do to evade the system is make minor enough adjustments to illegal images so that the distance between resulting hash and the original is minor. In reality, perceptual hashing systems use fuzzy matchi…
I can believe that some people might be stupid enough to believe that a private Facebook group was secure. But who the hell co-mingles their deepest darkest dirtiest secrets with pictures of their family and last night’s dinner?