LayerX Identifies Browser Extension Malware Concealed in PNG Files

LayerX Identifies Browser Extension Malware Concealed in PNG Files

First seen 17 Jan 2026, 05:01 UTC •ScworldBleepingcomputerCsoonlineInfosecurity-MagazineNewsbytesapp+1 •67% similarity •29.1

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LayerX has uncovered a significant cybersecurity threat linked to the GhostPoster browser extension. Koi Security's analysis revealed that malicious code was hidden within PNG image files, enabling the extension to bypass standard security checks and affect users unaware of its capabilities.

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