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Articles 181 - 182 of 182
Full-Text Articles in Cybersecurity
Studies On Convexity Of Dnf Formulae, Josue A. Ruiz
Studies On Convexity Of Dnf Formulae, Josue A. Ruiz
Electronic Theses & Dissertations (2024 - present)
In this dissertation, we investigate the problem of determining whether a Boolean formula given in disjunctive normal form (DNF) is convex. Although Boolean formulas have various applications, our research focuses on the practical application for rule-based access control policies, where policies are often expressed as a set of Boolean rules. Understanding the structural properties of such formulas is crucial for determining whether a policy can be efficiently represented within a specific access control model.
The main contribution of this research is the conception and analysis of convexity derived from the “gap problem.” In this context, convexity is characterized by the …
Safeguard Cyberspace In Ransomware Era: Risk Analysis & Cyber Insurance, Li Huang
Safeguard Cyberspace In Ransomware Era: Risk Analysis & Cyber Insurance, Li Huang
Electronic Theses & Dissertations (2024 - present)
The increasing frequency and severity of ransomware attacks pose significant challenges for organizational cybersecurity. Fragmentation across disciplines in cyber defense has created practical gaps in the development of the necessary capabilities needed to address rapidly evolving cyber threats. This study explores the impact of ransomware attacks and the evolving role of cyber insurance as a proactive cybersecurity partner. Bridging the gap between actuarial science and cyber risk management, it proposes an interdisciplinary framework that quantifies the impact of ransomware and integrates cyber insurance into cybersecurity strategies.
The primary contribution of this study is methodology. We present a framework that remains …