Ars Technica: Websites have a new way to spy on visitors: Analyzing their SSD activity. “Now sites have a new way to spy on their visitors: measuring subtle interactions with their solid-state drives. The technique, named FROST (fingerprinting remotely using OPFS-based SSD timing), allows sites to monitor other sites a visitor is viewing and what apps are open on their devices.”
https://rbfirehose.com/2026/05/28/websites-have-a-new-way-to-spy-on-visitors-analyzing-their-ssd-activity-ars-technica/
Websites have a new way to spy on visitors: Analyzing their SSD activity (Ars Technica)
Ars Technica: Websites have a new way to spy on visitors: Analyzing their SSD activity. “Now sites have a new way to spy on their visitors: measuring subtle interactions with their solid-stat…






