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Graz University of Technology researchers show file-notification APIs (inotify, ReadDirectoryChangesW, FSEvents) leak user activity across Linux, Windows, macOS without privileges.
Graz researchers showed local accounts can infer browsing and keystroke timing through OS file notifications.
CCS paper shows Linux, Android, Windows, and macOS file notifications leak activity without revealing file contents.
TU Graz researchers showed file-notification side channels on Linux, Windows, Android, and macOS leak user activity.
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