> If one of your pictures is a false positive hash collision, you'll have no idea until your front door gets broken down. This is a completely false statement.

> If one of your pictures is a false positive hash collision, you'll have no idea until your front door gets broken down. This is a completely false statement. Besides the fact that it requires more than one match for an account to be flagged and flagged accounts are reviewed manually by Apple before sending a report off to NCMEC thereby catching false positives, you’re notified if your account is flagged and can file a challenge.