Researchers say they can spy on your browsing by measuring SSD activity through a browser API — claim FROST attack requires no permissions or user interaction to identify which apps and websites you're using

May 30, 2026 - 04:10
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The diagram illustrates the FROST attack monitoring SSD activity through browser APIs to track browsing habits.
FROST exploits the Origin Private File System (OPFS), a browser API that lets websites create and store files on a user's local disk.

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