Exploring Usability and Legal Practice: Insights from German Judicial Users of Digital Forensics

📅 2026-08-01
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🤖 AI Summary
Digital forensics in criminal proceedings faces significant challenges—including data proliferation, rapid technological evolution, and insufficient collaboration between legal and technical professionals—that hinder its effective integration. This study addresses these issues by reconceptualizing digital forensics as a sociotechnical system through the novel lens of usability and human-centered security. Drawing on survey data from 101 judicial practitioners in North Rhine-Westphalia, Germany, the research develops an integrated analytical framework that bridges usability and human-centered security principles. Findings highlight critical needs to enhance workflow integration, align stakeholder expectations, and strengthen cross-disciplinary communication. The study further proposes that interdisciplinary collaboration, streamlined data access, and targeted training can substantially improve system usability, thereby offering both theoretical insights and practical guidance for optimizing digital forensics in judicial practice.
📝 Abstract
Digital forensics has become an integral part of modern criminal proceedings, yet its effective integration remains challenging because of increasing data volumes, evolving technologies, and complex interactions between technical and legal stakeholders. Although prior work has focused primarily on digital forensic tools and methods, its broader procedural and organizational context has received limited attention. Building on emerging perspectives inspired by usability research and human-centered security, we conceptualize digital forensics as part of a socio-technical system within criminal proceedings. We consequently investigate this perspective through a survey of 101 practitioners from the judiciary of the German federal state of North Rhine-Westphalia, including public prosecutors, judges, and digital forensic experts. The results indicate a strong demand for improved integration of digital forensics into workflows, enhanced cross-domain communication, and a closer alignment of stakeholder expectations. They also uncover great potential for the improvement of digital forensics usability, e.g., through stronger interdisciplinary cooperation, easier and faster access to evidential data and results, or improvement of stakeholder training and education.
Problem

Research questions and friction points this paper is trying to address.

digital forensics
criminal proceedings
usability
socio-technical system
interdisciplinary cooperation
Innovation

Methods, ideas, or system contributions that make the work stand out.

digital forensics
usability
socio-technical system
interdisciplinary cooperation
legal practice
T
Tobias Hoppmann
Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany
L
Leona Lassak
Ruhr University Bochum, Germany
M
M. Angela Sasse
Ruhr University Bochum, Germany
Z
Zinaida Benenson
Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany