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“Sleeper” browser extensions woke up as spyware on 4 million devices

🗓️ 02 Dec 2025 17:49:51Reported by Malwarebytes blogType 
malwarebytes
 malwarebytes
🔗 www.malwarebytes.com👁 11 Views

Researchers uncover seven-year sleeper browser extensions that became spyware and remote code execution for 4.3 million users.

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