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Evolution of CAPTCHA Mechanisms: From Cognitive Tasks to Behavioral Analysis
2025-12-12
This paper analyzes the transformation of methods for distinguishing computers from humans, tracing the evolution from interactive cognitive challenges (CAPTCHAs) to passive behavioral analysis and risk assessment. We identify the primary drivers for this shift: the increasing capability of Computer Vision models to solve visual tasks and the detrimental impact of "high-friction" security measures on User Experience (UX). The study investigates the effectiveness of modern "invisible" CAPTCHAs, which rely on client-side telemetry, behavioral biometrics (mouse dynamics, keystroke analysis), and network reputation. We hypothesize that while reducing cognitive load enhances usability, the shift towards server-side metadata analysis creates significant new challenges regarding user privacy and data opacity.
Ссылка для цитирования:
Ismanaliev S. S. 2025. Evolution of CAPTCHA Mechanisms: From Cognitive Tasks to Behavioral Analysis. PREPRINTS.RU. https://doi.org/10.24108/preprints-3114059
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