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Based on the elasticity, virtualization, volatility, multi-tenancy, and multi-jurisdiction characteristics of IoT environments, implementation of conventional digital forensic process models to security incidents is challenging. To address the challenges, new IoT-specific forensic process models are required. In this paper, issues and challenges in digital forensics brought by IoT technologies are presented. Based on the challenges, authors derive and present requirements that should be met by forensic process models designed for investigations in the IoT ecosystem. IoT forensic process models proposed in the literature are evaluated based on these requirements. Through this evaluation, gaps that are left by the evaluated IoT forensic process models are brought to light. |
