“In the six years that I’ve been using these hashes at FotoForensics, I’ve only matched 5 of these 3 million MD5 hashes.”
He files CSAM reports with NCMEC every day and ranks 40th of 168 providers. One of his five hash matches was a clothed man holding a monkey. NCMEC treats PhotoDNA as a trade secret, so he reverse engineered it. Apple’s one-in-a-trillion odds need a sample NCMEC doesn’t have. The people who actually run this system are the ones least impressed by Apple’s version.