Unmask Your Secret Online Life?
AI Can Now Deanonymize Online Users with High Accuracy
Researchers from ETH Zurich, Anthropic, and MATS have developed an AI system that can identify real people behind anonymous online usernames with concerning accuracy.
**Key Details:**
- The method, called ESRC (Extract, Search, Reason, Calibrate), uses large language models to analyze posting patterns and link anonymous accounts to real identities
- On Hacker News users, the AI correctly identified the person behind anonymous usernames 67% of the time, with 90% accuracy when making a match
- Reddit posts from different years or communities were matched to the same person with 68% success rate
- The process costs as little as $4 per person, making it accessible to anyone with access to advanced AI chatbots
- Previously, deanonymization required human experts spending hours or days; now it can be automated at scale
**Why It Matters:**
The practical anonymity that users once enjoyed online is rapidly disappearing. Bad actors—including stalkers, bullies, companies, and governments—could now easily dox individuals, track their activity across accounts, or link their real identities to their online behavior, fundamentally challenging the assumption that using a fake name provides privacy protection.
summary by Leo the Ai.
...iam glad all my secrets are allready out there :-)
so stalkers beware. iam on to you now.
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