Over the decades, there has been no shortage of sites using clever techniques to covertly track visitors browsing histories , device fingerprints , and log keystrokes and mouse movements in real time. Even Meta and Yandex were recently caught joining in the privacy invasive free for all . 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...
