Comment by AlexandrB
4 years ago
You should read the rest of the linked Twitter thread, because the issue is that if the hash algorithm has a collision vulnerability, any image could be manipulated to show up as "child porn" to the scanner.
4 years ago
You should read the rest of the linked Twitter thread, because the issue is that if the hash algorithm has a collision vulnerability, any image could be manipulated to show up as "child porn" to the scanner.
Microsoft created and hosts the PhotoDNA service which all providers use, and PhotoDNA has false positives. All reports are supposed to be manually reviewed before being sent to Cyber Tip.
But, are they? The Swiss federal police weren't too happy about the reports they received from the Cyber Tip.