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Malicious Chrome Extensions Steal Data from 300,000 Users

2/26/2026

50 5 Full Breakdown

Summary

Story summary

A campaign involved more than 300,000 installations of malicious Chrome extensions disguised as AI assistants, including ChatGPT and Gemini.
The extensions secretly collect emails and passwords.
They gained access to users' browsing activities.
They could even capture voice recordings.
Users should remove suspicious extensions, change passwords, use password managers and antivirus software, and regularly review their extensions.

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Story summary

A campaign involved more than 300,000 installations of malicious Chrome extensions disguised as AI assistants, including ChatGPT and Gemini.
The extensions secretly collect emails and passwords.
They gained access to users' browsing activities.
They could even capture voice recordings.
Users should remove suspicious extensions, change passwords, use password managers and antivirus software, and regularly review their extensions.