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Researchers say they can spy on your browsing by measuring SSD activity through a browser API
(www.tomshardware.com)
this post was submitted on 28 May 2026
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You don’t download the file. The JavaScript generates the file right on disk.
Ah that makes more sense. Seems like something easy to detect at least.
It's been a while but doesn't Windows let you know when you exceed RAM usage and hit paging file?
You didn't hit the page file. This is OPFS, an in-browser filesystem that is sandboxed to each origin (essentially to each website), not directly accessible by the user, and exempt from the security checks that would guard access to the regular filesystem.
Yeah, that sounds to me like it needs a major revision.