this post was submitted on 03 Mar 2026
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LLMs can unmask pseudonymous users at scale with surprising accuracy (arstechnica.com)
submitted 3 days ago by return2ozma@lemmy.world to c/technology@lemmy.world
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[–] Fmstrat@lemmy.world 5 points 1 day ago

This seems like an invalid test.

One of them collected posts from Hacker News and LinkedIn profiles and then linked them by using cross-platform references that appeared in user profiles. They then stripped all identifying references from the posts and ran a large language model on them.

If I post something on LinkedIn, and then post the same thing on Hacker News, of course an LLM could match my accounts up.

Am I missing something?