Maintaining an online persona may stroke your ego, but sharing information (no matter how seemingly innocuous) creates a permanent paper trail for adversaries to identify you.
While this has always been true, LLMs are a force multiplier in deanonymization efforts.
Reusing usernames, emails, and passwords is simply poor internet hygiene.
Substack
Large-Scale Online Deanonymization with LLMs
We measure the capabilities of LLMs to deanonymize users online.
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1February 25, 2026 14.6K 304
