Your behavior patterns—how you navigate sites, which links you click, how long you linger on pages—create a unique fingerprint that companies use to track you across the internet. Even without cookies or logins, this behavioral signature identifies you reliably enough to build a profile of your interests and habits. You're being tracked not by what you say but by how you move.
Behavioral biometrics refers to the continuous monitoring of how you interact with devices, including your typing rhythm, mouse movements, and scrolling patterns, to silently identify and track you online. Unlike passwords or fingerprints, this data is collected passively and without your explicit awareness.
AI systems can now build highly accurate identity profiles from behavioral signals alone, making this one of the most invisible and persistent forms of digital tracking that people encounter without realizing it exists.
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