#subtel

John Kristoff @jtk@infosec.exchange

· 1w ago

Weekend Reads

File notification attacks https://inoti.fyi
IP geolocation at APNIC 62 https://blog.apnic.net/2026/09/24/ip-geolocation-at-apnic-62-challenges-geofeeds-and-data-quality-perspectives/
Russian MAX Messenger analysis https://interseclab.org/research/max/
SubTel Forum Issue #150 https://issuu.com/subtelforum/docs/subtel_forum_issue_150_-_offshore_energy
What it's like to work in data centers https://www.wsj.com/business/what-its-like-to-work-in-one-of-americas-data-centers-b4358003?st=y1Zg9t

#SideChannel #IpGeoLoc #RU #SubTel #DataCenter

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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