Browser-Only Ransomware Uses File System Access API to Encrypt Files Without Malware Installation

A novel, practical ransomware technique that runs entirely inside the browser by abusing the File System Access API, demonstrating how AI can turn high-level malicious ideas into operational attack chains without any native payload. The proof-of-concept leverages a social engineering lure a fake AI image-enhancement/upscaler web app to convince users to grant folder-level access. Once […]

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