this post was submitted on 06 Mar 2026
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Privacy

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LLMs can unmask anonymous internet users for $1–4 each, matching 67% of pseudonymous Hacker News accounts to real LinkedIn profiles at 90% precision (arstechnica.com)
submitted 3 weeks ago by Innerworld@lemmy.world to c/privacy@lemmy.dbzer0.com
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[–] lvxferre@mander.xyz 3 points 2 weeks ago (3 children)

That's one way to do it, I guess. For most people it's simpler: develop a second writing style and only use it online when sharing sensitive information — such as when whistleblowing or sharing pirate content. That writing style should:

  1. Prioritise brevity. The less you say, the harder it is to tie your online personae.
  2. Stick to the standard spelling of the language you're using. Typically there's only one standard way to write something, but multiple non-standard ways.
  3. Avoid as much as reasonably possible words and grammar that reveal your location, social class, education level, age, or any neurodivergence you might have.
  4. Only use three types of punctuation marks: comma, period, interrogation.
  5. Keep text structure simple.

Small note regarding people who speak 2+ languages: keep in mind each language you know interferes on your usage of the other languages, often in predictable ways. Even your native one. And this can be used to narrow down a bunch of profiles to who you are.

[–] Techlos@lemmy.dbzer0.com 6 points 2 weeks ago (1 children)

Ironically, one of the most effective methods is to use a local LLM to rewrite your text with a low temperature setting, moving your writing style to the mean of the LLM style. Erase your identity by hiding as a bot.

[–] Corkyskog@sh.itjust.works 2 points 2 weeks ago (1 children)

Wait... Unless your using a local LLM aren't you basically giving all the info your trying to hide to the spying bots?

[–] moosh@slrpnk.net 2 points 2 weeks ago

yeah it must be local for security and privacy

[–] naevaTheRat@lemmy.dbzer0.com 1 points 2 weeks ago

Humans are not generally capable of such separation. If you do want to do this sort of thing then you should probably use a tool. Of course your tool will likely mark you, but at least it wont lead back to you without the tool. Like the equivalent of blowing out security cameras with a bright LED.

For instance you could use a script that identified all words with synonyms that are used less frequently and replace them with the most common, that removes all spelling errors, that corrects grammatical error, and highlights sentences that run on for editing.

Generally if you want to avoid ID invent a fake person and being that person is easier. Also like, don't share things, don't comment, and ablate all character from your writing (amusingly slop bots are fantastic for removing all humanity from your writing, but general tone analysis tools can suffice).

[–] hector@lemmy.today 0 points 2 weeks ago

Interrogation as punctuation? Idk what that is. Commas, periods, semicolons are underused, I have no idea what the former is.