The computations are performed on device, but only for images that have been uploaded to iCloud. See the FAQ: https://www.apple.com/child-safety/pdf/Expanded_Pr

The computations are performed on device, but only for images that have been uploaded to iCloud. See the FAQ: https://www.apple.com/child-safety/pdf/Expanded_Protections_for_Children_Frequently_Asked_Questions.pdf https://www.apple.com/child-safety/pdf/Expanded_Protections_...