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Nadeem, A. (author)
Understanding the behavior of cyber adversaries provides threat intelligence to security practitioners, and improves the cyber readiness of an organization. With the rapidly evolving threat landscape, data-driven solutions are becoming essential for automatically extracting behavioral patterns from data that are otherwise too time-consuming to...
doctoral thesis 2024
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Oosthoek, K. (author)
Cybercrime is negatively impacting everybody. In recent years cybercriminal activity has directly affected individuals, companies, governments and critical infrastructure. It has led to significant financial damage, impeded critical infrastructure and harmed human lives. Defending against cybercrime is difficult, as persistent actors perpetually...
doctoral thesis 2023
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Roeling, M.P. (author)
This thesis presents several methodological and statistical solutions to problems encountered in cyber security. We investigated the effects of compromised data veracity in state estimators and fraud detection systems, a model to impute missing data in attributes of linked observations, and an unsupervised approach to detect infected machines in...
doctoral thesis 2021