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131 Chrome Extensions Caught Hijacking WhatsApp Web for Massive Spam Campaign

131 Chrome Extensions Caught Hijacking WhatsApp Web for Massive Spam Campaign
technology10/20/2025

Researchers uncover 131 Chrome extensions automating WhatsApp spam, impacting 20,905 users in Brazil.

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... [3099 chars]