Nikolas Bakirtzis Dissertation

This dissertation was written as a part of the MSc in ICT Systems at the Internation-al Hellenic University. The digital triage in forensics investigation can really make the digital investigation a success or a disaster depending on numerous factors. There are numerous triage tools freely available online but there is no mature framework for practically testing and evaluating them. In the following pages we will analyze four open source triage tools and identify the advantages and drawbacks of each of them. We will also test their compliance to published forensic principles (ACPO). The results prove that due to high complexity and variety of system configurations, triage tools should become more adaptable, in dynamic and manual manner, depending on the case and context, instead of sustaining a monolithic functionality. After identifying the problem, an effort was made to create a program, that has the ability to search a whole computer, or any partition or file chosen, for files with any possible extension, that are installed or created by the user. This was possible by com-paring the MD5 hashes of the files. In this way the investigator can search, in a very short time, the computer under examination, for installed and created files or programs, altered programs, possible malware and harmful programs. This program can have even greater usability if it is incorporated into other digital triage programs or if it is enhanced with more advanced functionality. Special thanks is given to my supervisor Prof. Vasilios Katos that showed me the way to where address my research and solved any issues raised giving insightful feed-back.

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Seamen on Land? A Preliminary Analysis of Medieval Ship Graffiti on Cyprus

by Stella Demesticha, Mia Gaia Trentin, Nikolas Bakirtzis und Andonis Neophytou

The International Journal of Nautical Archaeology, 2017

This article reports on the results of a research project entitled 'KARAVOI. The Ship Graffiti on... more This article reports on the results of a research project entitled 'KARAVOI. The Ship Graffiti on the Medieval Monuments of Cyprus: Mapping, Documentation and Digitisation', during which 233 ship graffiti were recorded in 44 different monuments on the island, dating from the 15th to the 20th centuries. Innovative recording techniques have been used to mitigate the effects of the subjective or partial recording of graffiti lines on tracing paper. Apart from the study of ship graffiti as iconographic sources, particular emphasis has been given to their geographical and social context through a comprehensive analysis of the graffiti types and their spatial distribution in the monuments as well as the monuments location on the island.

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