#pwnie

· 2w ago

ALRIGHT! I'm VERY excited to announce this research, because we've been holding onto it for close to a year now! Announcing File Notification Attacks! Side-Channel Leakage from the File-Notification System on #Linux, #Android, #Windows, and #macOS We've found decades-old bugs on Linux, Android, and Windows... well technically Microsoft considers what we found an ✨ undocumented feature ✨ (got Microsoft nominated for the lamest vendor response #pwnie award haha). There's SO much to talk about, so please expand this thread below, but you can also check it out yourself at: https://inoti.fyi/ There's a #noAI logo that my sister drew there. Our work was accepted at #CCS 2026, and I'll be presenting it this November at The Hague, Netherlands! If you're there, we should totally meet up :D Thanks to my AWESOME co-authors: Xufan Zhao, Jeanette Angelika Wultsch, @hweissi@infosec.exchange, Florian Draschbacher, @notbobbytables@infosec.exchange, and @lavados@infosec.exchange 🙏, all of us from @isec_tugraz@infosec.exchange, TU Graz #security #cybersecurity #research #systems

File Notification Attacks

Side-Channel Leakage from the File-Notification System on Linux, Android, Windows, and macOS. Accepted at The ACM Conference on Computer and Communications Security (CCS), November 15-19, 2026 — The Hague, Netherlands File-notification systems tell applications when files change, e.g., opened, closed, written, deleted. With only read permission on a file or directory, an attacker can watch these notifications and reconstruct user behavior. We find generic issues similar on each of Linux, Android

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