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The Impacts of Cyberattacks on Private Firms' Cash HoldingsGadirova, Nurlana 25 March 2021 (has links)
This research investigates 202 data breach events occurring between 2015 and 2019 and the related financial effects on the USA's impacted private firms. From examining previous research, it is obvious that no known studies evaluate the financial impacts of cybercrimes on private firms. Prior studies mostly focus on public firms and stock market reactions even though there is the increasing number of cyberattacks on private firms too. This study seeks to fill the gap by providing the empirical evidence of the impacts on those firms' cash holding after experiencing a cybersecurity attack. Overall, the results of this research show if the private firms that have been cyberattacked face the connate aftermath and follow the similar precautions as public firms with data breaches or not. I find that the firms that experienced an attack two years ago increase their cash holdings significantly, while an attack that happened a year ago can only impact cash holdings while interacting with tangibility and ROA of a firm. These results are essential as the private firms draw up a budget and reform strategies for coping with cyber incidents.
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Data Breaches in Healthcare Security SystemsReddy, Jahnavi January 2021 (has links)
No description available.
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THREE ESSAYS ON THE ECONOMICS OF INFORMATION SECURITYZhang, Leting January 2022 (has links)
In recent years, information security has been gaining increasing public attention and has become a high priority for organizations across various industries. Despite the substantial investment in improving security posture, cyber risks continue to escalate as digital transformations are growing rapidly, and new areas of cyber-vulnerability are exposed and exploited. Thus, a critical question for managers, stakeholders, and policymakers is: How to strategically ensure the security of digital assets? To explore the question, my dissertation explores and advances three critical themes in the economics of the information security field. These themes include: 1) unraveling antecedents of risks, 2) determining the optimal level of investment in cybersecurity, and 3) investigating how cybersecurity affects market dynamics. Essay 1 is motivated by security concerns in sharing data across organizations and empirically evaluates the impact of joining a Health Information Exchange (HIE) initiative on a hospital’s data breach risks and corresponding mechanisms. Essay 2 uses a game theoretical model to investigate how to design a cost-effective crowdsourcing solution to help organizations leverage crowds’ wisdom in vulnerability management. Essay 3 examines the role of peer cyber incidents in information asymmetry issues in the financial market and analyze how peer data breaches affect the quality of a firm’s cyber risk disclosure in its financial report. The dissertation sheds light on three crucial factors in information security management: information systems interdependency, innovated cybersecurity solutions, and cyber information asymmetry. / Business Administration/Management Information Systems
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Best Practices to Minimize Data Security Breaches for Increased Business PerformanceKongnso, Fedinand Jaiventume 01 January 2015 (has links)
In the United States, businesses have reported over 2,800 data compromises of an estimated 543 million records, with security breaches costing firms approximately $7.2 million annually. Scholars and industry practitioners have indicated a significant impact of security breaches on consumers and organizations. However, there are limited data on the best practices for minimizing the impact of security breaches on organizational performance. The purpose of this qualitative multicase study was to explore best practices technology leaders use to minimize data security breaches for increased business performance. Systems theory served as the conceptual framework for this study. Fourteen participants were interviewed, including 2 technology executives and 5 technical staff, each from a banking firm in the Northcentral United States and a local government agency in the Southcentral United States. Data from semistructured interviews, in addition to security and privacy policy statements, were analyzed for methodological triangulation. Four major themes emerged: a need for implementation of security awareness education and training to mitigate insider threats, the necessity of consistent organization security policies and procedures, an organizational culture promoting data security awareness, and an organizational commitment to adopt new technologies and innovative processes. The findings may contribute to the body of knowledge regarding best practices technology leaders can use for securing organizational data and contribute to social change since secure organizational data might reduce consumer identity theft.
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Intangible Costs of Data Breach EventsSinanaj, Griselda 17 October 2017 (has links)
No description available.
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THE IMPACT OF DATA BREACH ON SUPPLIERS' PERFORMANCE: THE CASE OF TARGETTian Qi (8802305) 07 May 2020 (has links)
The author investigated the condition under which competition effect and contagion effect impact the suppliers of the firm encountering data breach. An event study was conducted to analyze the stock price of 104 suppliers of Target after the large-scale data breach in 2013. The result showed that suppliers with high dependence on Target experienced negative abnormal return on the day after Target’s announcement, while those with low dependence experienced positive abnormal return. After regressing the abnormal return on some explanatory variables, the result showed that firms with better operational performance and high information technology capability were less negatively affected. This study suggested that suppliers who relatively highly rely on one customer company are susceptible for the negative shock from that customer because of contagion effect. Furthermore, maintaining good performance and investing in information technology can help firms reduce losses from negative events happened in customer companies.
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A Comprehensive and Comparative Examination of Healthcare Data Breaches: Assessing Security, Privacy, and PerformanceAl Kinoon, Mohammed 01 January 2024 (has links) (PDF)
The healthcare sector is pivotal, offering life-saving services and enhancing well-being and community life quality, especially with the transition from paper-based to digital electronic health records (EHR). While improving efficiency and patient safety, this digital shift has also made healthcare a prime target for cybercriminals. The sector's sensitive data, including personal identification information, treatment records, and SSNs, are valuable for illegal financial gains. The resultant data breaches, increased by interconnected systems, cyber threats, and insider vulnerabilities, present ongoing and complex challenges. In this dissertation, we tackle a multi-faceted examination of these challenges. We conducted a detailed analysis of healthcare data breaches using the VERIS (Vocabulary for Event Recording and Incident Sharing) dataset. We delve into the trends of these breaches, investigate the attack vectors, and identify patterns to inform effective mitigation strategies. We conducted a spatiotemporal analysis of the VERIS and the Office of Civil Rights (OCR) datasets. We explored the geographical and temporal distribution of breaches and focused on the types of targeted assets to decipher the attackers' motives. Additionally, we conducted a detailed analysis of hospitals' online presence, focusing on their security and performance features. By comparing government, non-profit, and private hospitals in the U.S., we examined their security practices, content, and domain attributes to highlight the differences and similarities in the digital profiles of these hospital types. Furthermore, we expand our scope to include a comparative sector-based study investigating data breaches across various critical sectors. This broader view provides a contextual understanding of the healthcare sector's unique vulnerabilities compared to other sectors. Overall, this dissertation contributes fundamental insights into healthcare data breaches and hospitals' digital presence and underscores the urgent need for enhanced understanding and implementation of robust security measures in this vitally important sector, striving for a balance between technological advancement and data security.
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