---

layout: post
date: 2026-02-28
link: https://itsfoss.com/news/ai-online-deanonymization/
title: AI Can Now Easily Unmask Your Secret Online Life
cited: It's FOSS

---

Patterns of language, your connections and follows e.g local coffee shop, sports team, companies, apps.

It's socials fingerprinting

> Imagine this: You're on Reddit, Hacker News, or some forum, posting with a silly username like GamerCat2025 or SecretCoderX. You think you are anonymous, and no one knows you and so you can freely express your thoughts.
>
> Well, a [brand-new research paper](https://arxiv.org/abs/2602.16800?ref=itsfoss.com) just blew that idea apart. It's called "Large-scale online deanonymization with LLMs" which is a fancy way of saying "figuring out the real person behind a secret online name".