threat-intel New FROST Attack Lets Websites Track What Sites and Apps You Open via SSD Timing A new attack method, dubbed FROST, allows websites to track which sites and apps a user opens by analyzing the timing of SSD reads. Developed by researchers at Graz University of Technology, FROST leverages the Origin Private File System (OPFS) feature in modern browsers to bypass permission prompts and monitor disk ac… The Hacker News · Jun 9, 2026 High DEopfsssdtiming attack