This is an incorrect reading of our report. Twitter has scanned for CSAM using PhotoDNA for years, and is an early member of the Tech Coalition of companies working on this issue.
What we discovered is that, since Musk's takeover, that Twitter's CSAM scanning failed and was not noticed by Twitter. They fixed it several weeks after we notified them, and then shut off our API access to prevent further research.
What we discovered is that, since Musk's takeover, that Twitter's CSAM scanning failed and was not noticed by Twitter. They fixed it several weeks after we notified them, and then shut off our API access to prevent further research.