Generative AI assistants like ChatGPT are disrupting traditional online search traffic, negatively affecting news sites and their advertising revenue. A December 2025 report revealed that ChatGPT Atlas ranks as the least secure web browser, failing all state partitioning tests. Its privacy metrics are alarming, scoring just 1 on the Privacy & Anti-Fingerprinting Index and 0 for tracker blocking, indicating a complete inability to prevent user tracking.
In contrast, popular browsers like Chrome and Vivaldi also perform poorly, with Chrome receiving a privacy risk score of 76, lacking effective tracker-blocking capabilities. The study assessed 13 browsers on security measures such as fingerprinting, tracking, and connection security, rating Brave and Mullvad as the safest options. Browser privacy is crucial for users; higher scores indicate worse protection, with ChatGPT Atlas at a staggering 99. Users seeking privacy should consider alternatives like Brave for better online protection.
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