Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 26 for “"ransomware"”.
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Estudio sobre el malware Ransomware
… es un tipo de programa malicioso conocido como Ransomware, el cual secuestra la información almacenada en nuestros equipos informáticos para luego solicitar una compensación económica si se quiere recuperar. Lo que se pretende con este trabajo es realizar un estudio sobre el malware Ransomware …
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A Digital Forensic Readiness Approach for Ransomware Forensics
… carried out by malicious software (malware). Ransomware, a variant of malware which encrypts user files and retains the decryption key for ransom. Ransomware has shown its dominance over the years wreaking havoc to many organizations and users. This global digital epidemic is continuously on …
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Detection of Crypto-Ransomware Attack Using Deep Learning
… the digital world is the exponential increase in ransomware attacks. Ransomware is malware that prevents victims from accessing their resources by locking or encrypting the data until a ransom is paid. With individuals and businesses growing dependencies on technology and the Internet, researchers …
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Ransomware Detection Using Windows API Calls and Machine Learning
Ransomware is an ever-growing issue that has been affecting individuals and corporations since its inception, leading to losses of the order of billions each year. This research builds upon the existing body of research pertaining to ransomware detection for Windows-based platforms through …
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Behaviour-based classification of encryption-type ransomware using system calls
… ongoing issue and focuses on encryption-type ransomware, which has been a rising malware threat in recent years, on the Android operating system. Many state-of-the-art anti-malware solutions have shifted away from static signature-based approaches as the techniques utilised by threat actors …
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"Ops, seus arquivos foram criptografados" : uma proposta de análise do ransomware WannaCry
Este estudo investiga o ransomware WannaCry, empregando análises dinâmica e estática para uma compreensão abrangente de seu funcionamento. A análise estática revela indicadores cruciais, enquanto a dinâmica confirma e aprofunda essas evidências, destacando alguns desafios como as técnicas de …
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Exploration of clustering overlaps in a ransomware network based on link structures and content relevance
… it easy and effective to transmit and spread ransomware to different devices. The result is increased ransomware threats to different sectors of the World Economy. The reason for the spread of these threats is that Ransomware developers are trying to increase their revenue by infecting victims …
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Network-based advanced malware detection using multi-classifier machine learning
… assisting host-based malware detection. Ransomware is a kind of advanced malware that has spread rapidly in recent years, causing massive financial losses for a broad range of victims, such as healthcare facilities, companies, and individuals. Modern host-based detection methods require …
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Data-driven Algorithms for Critical Detection Problems: From Healthcare to Cybersecurity Defenses
… and reduces biases. Cyber threats, such as ransomware and advanced persistent threats (APTs), have presented growing threats in recent years. Existing ransomware defenses often rely on black-box models trained on unverified traces, providing limited interpretability. To address the scarcity …
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Dynamic analyses of malware
… the machine learning techniques are applied to ransomware run-traces, which has not been explored in the literature to date. This offers four further novel contributions: examination of dynamic API calls vs opcode traces in ransomware; run-lengths necessary to detect ransomware accurately; …
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Essays on Innovation and Dynamic Capabilities: Evidence from Public Sector Operations and Cybersecurity
… agile and timely responses. Moreover, curbing ransomware attacks directed towards uniquely vulnerable domains, such as healthcare, education, and local government poses a particularly vexing policy challenge for government leaders. In three discrete essays, this dissertation examines management …
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Enhancing ISP-consumer security notifications
… engage in denial of service (DoS) attacks and ransomware holds data on personal and commercial systems hostage. Many of these threats are relatively opaque for an end user. An end user may not know that their smart device is participating in a DoS attack at all, unless they notice a protracted …
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Essays in Municipal Finance
… dollars per year. We use a dataset of municipal ransomware attacks merged with hand collected IT investment data and municipal bond data. Following a ransomware attack, municipal bond yields fall by 10 bps and IT investment as a share of total town expenditure increases by 0.23%. We investigate …
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Cybersecurity Management System: Defense and Response
… attacks such as phishing, malware, and ransomware have become a major concern in recent years, with many individuals and organizations suffering financial losses as a result. Most people are unaware of the different types of cybersecurity attacks and have not seen examples of them. To …
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Ciberdelitos / Ciberincidentes, ¿cómo comprometen a las organizaciones y usuarios?
… de ellos: PHISHING (tipo de incidente: fraude) y RANSOMWARE (tipo de incidente: Malware). Para su estudio se procederá a ubicarlos en el tiempo desde sus orígenes hasta nuestros días, conocer sus tipos o variantes más frecuentes, así como sus mecanismos de acción e infección utilizados. A …
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Actividad cautelar y de administración en materia de criptomonedas
… de criptomoendas etc.; extorsiones -ransomware, chantaje virtual, secuestros extorsivos, etc.; y ocultamiento de bienes -evasión impositiva, compraventa de bienes prohibidos, lavado de activos, etc.[...] En el marco de lo expuesto, el presente trabajo se propone investigar qué …
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Essays in Venture Capital and Corporate Finance
… municipal hacking. We use a dataset of municipal ransomware attacks merged with hand collected IT investment data and municipal bond data. We find that lower IT investment predicts hacking. Furthermore, following a ransomware attack, municipal bond yields fall by 13 basis points and IT investment …
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