https://www.telegraph.co.uk/technology/2020/01/08/apple-scan...

>Update January 9, 2020

>This story originally said Apple screens photos when they are uploaded to iCloud, Apple's cloud storage service. Ms Horvath and Apple's disclaimer did not mention iCloud, and the company has not specified how it screens material, saying this information could help criminals.

This confirms the reporting from NYT

https://www.nytimes.com/2021/08/05/technology/apple-iphones-...

>U.S. law requires tech companies to flag cases of child sexual abuse to the authorities. Apple has historically flagged fewer cases than other companies. Last year, for instance, Apple reported 265 cases to the National Center for Missing & Exploited Children, while Facebook reported 20.3 million, according to the center’s statistics. That enormous gap is due in part to Apple’s decision not to scan for such material, citing the privacy of its users