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.

2 best points · 0 comments · 1 Hacker News post · 4 GitHub stars · View on GitHub

Hacker News discussions

• I built a browser extension to block the FROST side-channel attack (2 points, 0 comments, by henbomb, 2026-06-01)