Faculty of Computer Science

Mag. Dipl.-Ing. Dr.techn. Andreas Ekelhart

Andreas Ekelhart
Research Group Security and Privacy
Kolingasse 14-16
1090 Wien
Room : 05.24
andreas.ekelhart(at)univie.ac.at
u:cris portal

Courses

Summer term 2026

Winter term 2025

Summer term 2025

Publications

AgentO: An Ontology for Modeling Agentic AI Systems. / Ekelhart, Andreas; Kurniawan, Kabul; Ekaputra, Fajar J. et al.
The Semantic Web. Cham: Springer Nature Switzerland AG, 2026. p. 298-320.

Publications: Contribution to book › Contribution to proceedings › Peer Reviewed

doi.org/10.5281/zenodo.18342624

Small Language Models for Phishing Website Detection: Cost, Performance, and Privacy Trade-Offs. / Goldenits, Georg; König, Philip; Raubitzek, Sebastian et al.
In: Journal of Cybersecurity and Privacy, Vol. 6, 05.03.2026, p. 48.

Publications: Contribution to journal › Article › Peer Reviewed

doi.org/10.3390/jcp6020048

SHARE: towards usable, trustworthy and interoperable synthetic health data for rare diseases. / Noll, Richard (Corresponding author); Koch, Philipp; Langenberger, Benedikt et al.
In: BMJ Health Care Informatics, Vol. 33, No. 1, e101757, 21.01.2026.

Publications: Contribution to journal › Article › Peer Reviewed

doi.org/10.1136/bmjhci-2025-101757

Obfuscation Detection using Matrix Complexity Features of Binary Grayscale Images. / Raubitzek, Sebastian; Schrittwieser, Sebastian; König, Caroline et al.
In: Computers & Security, 11.11.2025.

Publications: Contribution to journal › Article › Peer Reviewed

doi.org/10.1016/j.cose.2025.104746

AgCyRAG: an Agentic Knowledge Graph based RAG Framework for Automated Security Analysis. / Kurniawan, Kabul; Ardian, Rayhan Firdaus; Kiesling, Elmar et al.
RAGE-KG 2025. 2025.

Publications: Contribution to book › Contribution to proceedings › Peer Reviewed

The ICS-SEC KG: An Integrated Cybersecurity Resource for Industrial Control Systems. / Kurniawan, Kabul (Corresponding author); Kiesling, Elmar; Winkler, Dietmar et al.
The Semantic Web – ISWC 2024: 23rd International Semantic Web Conference, Baltimore, MD, USA, November 11–15, 2024, Proceedings, Part III. ed. / Gianluca Demartini; Katja Hose; Maribel Acosta; Matteo Palmonari; Gong Cheng; Hala Skaf-Molli; Nicolas Ferranti; Daniel Hernández; Aidan Hogan. Cham: Springer, 2025. p. 153–170 (Lecture Notes in Computer Science, Vol. 15233).

Publications: Contribution to book › Contribution to proceedings › Peer Reviewed

doi.org/10.1007/978-3-031-77847-6_9

CyKG-RAG: Towards knowledge-graph enhanced retrieval augmented generation for cybersecurity. / Kurniawan, Kabul; Kiesling, Elmar; Ekelhart, Andreas.
RAGE-KG 2024 Workshop at ISWC 2024. 2024.

Publications: Contribution to book › Contribution to proceedings › Peer Reviewed

NEWSROOM: Towards Automating Cyber Situational Awareness Processes and Tools for Cyber Defence. / Wurzenberger, Markus; Krenn, Stephan; Landauer, Max et al.
ARES 2024 - 19th International Conference on Availability, Reliability and Security, Proceedings. 2024. p. 1-11 69.

Publications: Contribution to book › Contribution to proceedings › Peer Reviewed

doi.org/10.1145/3664476.3670914

Code Obfuscation Classification using Singular Value Decomposition on Grayscale Image Representations. / Raubitzek, Sebastian; Schrittwieser, Sebastian; Lawitschka, Caroline et al.
SECRYPT. 2024.

Publications: Contribution to book › Contribution to proceedings › Peer Reviewed

Safe or Scam? An Empirical Simulation Study on Trust Indicators in Online Shopping. / Schrittwieser, Sebastian; Ekelhart, Andreas; Seidl, Esther et al.
SECRYPT. 2024.

Publications: Contribution to book › Contribution to proceedings › Peer Reviewed

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Projects

Awareness 365

Ekelhart, A. (Project Lead)

1/09/24 → 31/08/26

Project: Research cooperation

Adapting Cyber Situational Awareness for Evolving Computing Environments

Ekelhart, A. (Project Lead)

1/12/23 → 30/11/26

Project: Research funding

Christian Doppler Labor für Verbesserung der Sicherheit von Informationsprozessen in Produktionssystemen (CDL-SQI)

Weippl, E. (Project Lead), Ullrich, J. (Scientific Project Staff), Stifter, N. (Scientific Project Staff), Schindler, P. (Scientific Project Staff), Ekelhart, A. (Scientific Project Staff), Eckhart, M. (Scientific Project Staff), Judmayer, A. (Scientific Project Staff), Holzinger, K. (Scientific Project Staff) & Schuhmacher, B. (Technical Project Staff)

1/04/20 → 31/12/24

Project: Research cooperation