TLDR Tech / Dev
LLMs Can Now Figure Out Who's Behind Any Pseudonym — For Just $4
Researchers have found that LLM agents can effectively deanonymize pseudonymous online accounts at scale for just $1-4 per person. This capability breaks the long-held assumption that posting under a pseudonym offers privacy protection. The technique uses a four-stage LLM pipeline (ESRC) that extracts identity-relevant features from unstructured text, embeds them, and uses advanced reasoning to match profiles across various platforms.
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