AI Pipeline Can Deanonymize Users for Just $2, Paper Shows

A paper from ETH Zurich and Anthropic describes a fully automated LLM pipeline that deanonymizes users from pseudonymous posts at 68% recall for about $2, raising major privacy concerns.

2026-09-25 ~ 2026-09-25 · 2 related posts

• ETH Zurich and Anthropic built an AI that unmasks anonymous accounts for $2, identifying 67% of HN users — NathanpmYoung · 2026-09-25
• LLMs enable at-scale deanonymization: up to 68% recall re-identifying HN and Reddit users — rickasaurus · 2026-09-25