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3 résultats pour « Digital resilience »

Cyber Risk Taxonomies: Statistical Analysis of Cybersecurity Risk Classifications

10 oct. 2024 Cyber risk, Energy Score, Continuously Ranked Probability Score, Cyber risk classification, Out of sample analysis, Résilience numérique, Digital resilience

This paper argues that traditional cyber risk classifications are too restrictive for effective out-of-sample forecasting. It recommends focusing on dynamic, impact-based classifications for better predictions of cyber risk losses, suggesting that risk types are more useful for modeling event frequency rather than severity.

Multivariate Dependence Modeling of Cyber Breach Risks with Insurance Applications

20 sept. 2024 Heterogeneity, Sparsity, Rosenblatt transform, Heavy-tail risks, copula, Résilience numérique, Digital resilience

This paper introduces a novel multivariate dependence model to better represent cyber breach risks by capturing temporal and cross-group dependencies. Using a semi-parametric and copula approach, it improves predictive performance and generates more profitable insurance contracts, outperforming existing models in managing cyber risk and insurance pricing.

Cyber Risk Management: An Illusion of a Risk‑Based Approach

9 sept. 2024 cyber risk, cybersecurity risk management, cyber risk measurement, cyber security, Résilience numérique, Digital resilience

This study examines how organizations conceptualize and manage cyber risk, finding a gap between the normative risk-based management approach and actual practices. Organizations often use qualitative assessments masked as quantitative, creating an illusion of precision. The study proposes "qualculation" as the highest standard for aligning cyber risk measurement and management.

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