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Entropy-Based Correlation Analysis for Privacy Risk Assessment in IoT Identity Ecosystem
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Entropy-Based Correlation Analysis for Privacy Risk Assessment in IoT Identity Ecosystem
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Journal Article
Entropy-Based Correlation Analysis for Privacy Risk Assessment in IoT Identity Ecosystem
2025
Overview
As the Internet of Things (IoT) expands, robust tools for assessing privacy risk are increasingly critical. This research introduces a quantitative framework for evaluating IoT privacy risks, centered on two algorithmically derived scores: the Personalized Privacy Assistant (PPA) score and the PrivacyCheck score, both developed by the Center for Identity at The University of Texas. We analyze the correlation between these scores across multiple types of sensitive data—including email, social security numbers, and location—to understand their effectiveness in detecting privacy vulnerabilities. Our approach leverages Bayesian networks with cycle decomposition to capture complex dependencies among risk factors and applies entropy-based metrics to quantify informational uncertainty in privacy assessments. Experimental results highlight the strengths and limitations of each tool and demonstrate the value of combining data-driven risk scoring, information-theoretic analysis, and network modeling for privacy evaluation in IoT environments.
