https://www.theguardian.com/technology/2021/aug/06/apple-plans-to-scan-us-iphones-for-child-sexual-abuse-images

Security researchers fear neuralMatch system could be misused to spy on citizens

Apple has unveiled plans to scan its iPhones in the US for images of child sexual abuse, drawing praise from child protection groups but raising concern among some security researchers that the system could be misused, including by governments looking to surveil their citizens.