FROST: Fingerprinting Remotely using OPFS-based SSD Timing [pdf]
OPFSJavaScriptside-channel attackweb developmentsecurityfingerprintingSSD contentioncovert channel
Author: simjnd
Date: 5/31/2026
Article Summary:
FROST is a novel remote side-channel attack that exploits the Origin Private File System (OPFS) API in JavaScript to leak sensitive information from a victim's system without any user interaction.