<p>Websites are employing new methods to track visitors, including a technique that analyzes interactions with solid-state drives (SSDs). This method, known as FROST (fingerprinting remotely using OPFS-based SSD timing), enables websites to observe other sites a visitor is accessing and the applications running on their devices.</p><p>The FROST technique is detailed in a research paper and utilizes a side channel, which is a form of data leak that can occur from physical phenomena like electromagnetic emissions or timing variations in task completion. By measuring these factors, it is possible for attackers to decrypt encrypted communications and gather sensitive information.</p>
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New Technique Allows Websites to Monitor Visitors' SSD Activity
Websites are using a new technique called FROST to monitor users' interactions with solid-state drives, allowing them to track other sites and applications accessed by visitors. This method exploits side channels to potentially access encrypted data.
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Original Headline
Websites have a new way to spy on visitors: Analyzing their SSD activity
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New Technique Allows Websites to Monitor Visitors' SSD Activity