What is essential data in digital forensic analysis?

Journal article
(Original article)

Publication Details

Author(s): Freiling F, Schuhr J, Gruhn M
Journal: it - Information Technology
Publisher: Gesellschaft für Informatik
Publication year: 2015
Volume: 57
Journal issue: 6
Pages range: 376-383
ISBN: 9781479999033
ISSN: 1611-2776
eISSN: 2196-7032


In his seminal work on file system forensic analysis, Carrier defined the notion of essential data as 'those that areneeded to save and retrieve files.' He argues that essential data is therefore more trustworthy since it has to be correctin order for the user to use the file system. In many practical settings, however, it is unclear whether a specific pieceof data is essential because either file system specifications are ambiguous or the importance of a specific data fielddepends on the operating system that processes the file system data. We therefore revisit Carrier's definition andshow that there are two types of essential data: strong and weak. While strongly essential corresponds to Carrier'sdefinition, weakly essential refers to application specific interpretations. We empirically show the amount of stronglyand weakly essential data in DOS/MBR and GPT partition systems, thereby complementing and extending Carrier'sfindings.

FAU Authors / FAU Editors

Freiling, Felix Prof. Dr.-Ing.
Lehrstuhl für Informatik 1 (IT-Sicherheitsinfrastrukturen)
Gruhn, Michael
Lehrstuhl für Informatik 1 (IT-Sicherheitsinfrastrukturen)
Schuhr, Jan PD Dr.
Lehrstuhl für Strafrecht, Strafprozessrecht und Rechtsphilosophie

How to cite

Freiling, F., Schuhr, J., & Gruhn, M. (2015). What is essential data in digital forensic analysis? it - Information Technology, 57(6), 376-383. https://dx.doi.org/10.1515/itit-2015-0016

Freiling, Felix, Jan Schuhr, and Michael Gruhn. "What is essential data in digital forensic analysis?" it - Information Technology 57.6 (2015): 376-383.


Last updated on 2019-28-07 at 07:14