FileFix Attack Exploits Windows Browser Features to Bypass Mark-of-the-Web Protection

A sophisticated new variation of cyberattacks emerged in July 2025, exploiting a critical vulnerability in how Chrome and Microsoft Edge handle webpage saving functionality. The attack, dubbed “FileFix 2.0,” bypasses Windows’ Mark of the Web (MOTW) security feature by leveraging legitimate browser saving mechanisms combined with HTML Application (HTA) execution. Key Points1. Saving HTML pages […]

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