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Contribution Details
Type | Master's Thesis |
Scope | Discipline-based scholarship |
Title | Design and Implementation of a Virtual File System for Hostbased Moving Target Defence in IoT Devices |
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Institution | University of Zurich |
Faculty | Faculty of Business, Economics and Informatics |
Date | 2022 |
Abstract Text | Cryptographic ransomware encrypts files and demands a ransom for their decryption. Ransomware is increasingly targeting Internet of Things (IoT) devices that contain critical data. Due to limited resources, IoT devices cannot implement resource-intensive protection mechanisms to defend against ransomware. To provide a lightweight ransomware protection mechanism for IoT devices, three overlay file systems have been implemented. The overlay file systems use moving-target defense techniques to hide file type identification, increase encryption time, and trap ransomware in infinite directories. The evaluation results show that the implemented overlay file systems provide protection against ransomware attacks. The main limitations of the overlay file systems are the inability to distinguish between malicious and non-malicious applications and the performance overhead for small file sizes. |
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Export | BibTeX |