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Origin private file system – MDN (opens in new tab)

Covered by 7 sources See all sources covering this story including arstechnica.com, WIREDDiscussed on Hacker News
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Covered in 8 articles

arstechnica.com·

Websites have a new way to spy on visitors: analyzing their SSD activity

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WIRED·

Websites Can Now Spy on You Through Your Hard Drive

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GitHub·

HenBOMB/frost-guard: FROST (Fingerprinting Remotely using OPFS-based SSD Timing) is a browser-based side-channel attack that lets malicious websites spy on your system activity — detecting which websites you visit and which applications you open — by measuring SSD contention through the Origin Private File System (OPFS) API.

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