The Hacker News - 131 Chrome Extensions Caught Hijacking WhatsApp Web for Massive Spam Campaign

Cybersecurity researchers have uncovered a coordinated campaign that leveraged 131 rebranded clones of a WhatsApp Web automation extension for Google Chrome to spam Brazilian users at scale. The 131 spamware extensions share the same codebase, design patterns, and infrastructure, according to supply chain security company Socket. The browser add-ons collectively have about 20,905 active users. "

from The Hacker News https://thehackernews.com/2025/10/131-chrome-extensions-caught-hijacking.html

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