Segen Dawit Tewelde | University of Pretoria (original) (raw)

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Papers by Segen Dawit Tewelde

Research paper thumbnail of Notions of 'Hypothesis' in Digital Forensics

The need for a standardized digital forensic investigation method has been a major driving force ... more The need for a standardized digital forensic investigation method has been a major driving force in the development of digital forensics. With this goal in mind, many practitioners in the field of digital forensics have proposed a number of 'scientific' methods. This paper deals with an integral part of such a scientific method that is the process of hypotheses testing and formulation. The paper provides an analysis of digital forensic expert Brian Carrier's work, "A hypothesis-based approach to digital forensic investigations", with the aim to understand the current types of hypotheses being postulated, and to get an understanding of the notion of 'scientific hypothesis' in the field as a whole. Carrier’s work was chosen as an example because his method is explicitly based on the assumption that all digital investigation techniques can be scientific if they originate from a scientific hypothesis. In this context we identify the requirements for hypotheses formulation in the field of digital forensics and analyse Carrier’s framework of hypotheses. This approach is an initial step to initiate further research into the experiments and observations employed in proposed digital forensics methods.

Research paper thumbnail of Notions of 'Hypothesis' in Digital Forensics

The need for a standardized digital forensic investigation method has been a major driving force ... more The need for a standardized digital forensic investigation method has been a major driving force in the development of digital forensics. With this goal in mind, many practitioners in the field of digital forensics have proposed a number of 'scientific' methods. This paper deals with an integral part of such a scientific method that is the process of hypotheses testing and formulation. The paper provides an analysis of digital forensic expert Brian Carrier's work, "A hypothesis-based approach to digital forensic investigations", with the aim to understand the current types of hypotheses being postulated, and to get an understanding of the notion of 'scientific hypothesis' in the field as a whole. Carrier’s work was chosen as an example because his method is explicitly based on the assumption that all digital investigation techniques can be scientific if they originate from a scientific hypothesis. In this context we identify the requirements for hypotheses formulation in the field of digital forensics and analyse Carrier’s framework of hypotheses. This approach is an initial step to initiate further research into the experiments and observations employed in proposed digital forensics methods.

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