Detecting Ransomware Despite I/O Overhead: A Practical Multi-Staged Approach

van Sloun, Christian; Woeste, Vincent; Wolsing, Konrad; Pennekamp, Jan; Wehrle, Klaus; Wolsing, Konrad; Wagner, Eric; Basels, Frederik; Wagner, Patrick; Wehrle, Klaus; Saillard, Antoine; Wolsing, Konrad; Wehrle, Klaus; Bauer, Jan; Basels, Frederik; Wolsing, Konrad; Padilla, Elmar; Bauer, Jan; Lamberts, Olav; Wolsing, Konrad; Wagner, Eric; Pennekamp, Jan; Bauer, Jan; Wehrle, Klaus; Henze, Martin; Wagner, Eric; Rothaug, Nils; Wolsing, Konrad; Bader, Lennart; Wehrle, Klaus; Henze, Martin; Wolsing, Konrad; Saillard, Antoine; Padilla, Elmar; Bauer, Jan; Wolsing, Konrad; Kus, Dominik; Wagner, Eric; Pennekamp, Jan; Wehrle, Klaus; Henze, Martin; Kus, Dominik; Wolsing, Konrad; Pennekamp, Jan; Wagner, Eric; Henze, Martin; Wehrle, Klaus; Wolsing, Konrad; Wagner, Eric; Saillard, Antoine; Henze, Martin; von Rechenberg, Merlin; Rößler, Nina; Schmidt, Mari; Wolsing, Konrad; Motz, Florian; Bergmann, Michael; Padilla, Elmar; Bauer, Jan; Wolsing, Konrad; Saillard, Antoine; Bauer, Jan; Wagner, Eric; van Sloun, Christian; Fink, Ina Berenice; Schmidt, Mari; Wehrle, Klaus; Henze, Martin

doi:10.14722/ndss.2025.240764

Konrad Wolsing

Fraunhofer FKIE, Cyber Analysis & Defense
Zanderstraße 5
53177 Bonn-Bad Godesberg, Germany

E-Mail: wolsing[[at]]comsys.rwth-aachen.de
Phone: +49 241 80-21465

Short Biography

In November 2019, I graduated with an M.Sc. degree in computer science at the RWTH Aachen University. Since 2020 I am working at Fraunhofer Institute for Communication, Information Processing and Ergonomics (FKIE) in the Cyber Analysis & Defense (CA&D) department. Here at the Chair of Communication and Distributed Systems, I am an external researcher and Ph.D. student.

My research focusses on industrial intrusion detection systems and maritime cybersecurity.

Publications

23.	Christian van Sloun, Vincent Woeste, Konrad Wolsing, Jan Pennekamp, and Klaus Wehrle Detecting Ransomware Despite I/O Overhead: A Practical Multi-Staged Approach Proceedings of the 22nd Annual Network and Distributed System Security Symposium (NDSS '25), February 24–28, 2025, San Diego, CA, USA Publisher: Internet Society, February 2025 DOI: 10.14722/ndss.2025.240764 ISBN: 979-8-9894372-8-3 Accepted
22.	Konrad Wolsing, Eric Wagner, Frederik Basels, Patrick Wagner, and Klaus Wehrle Deployment Challenges of Industrial Intrusion Detection Systems Proceedings of the 10th Workshop on the Security of Industrial Control Systems & of Cyber-Physical Systems (CyberICPS '24), co-located with the the 29th European Symposium on Research in Computer Security (ESORICS '24) Publisher: Springer, September 2024 Accepted https://arxiv.org/pdf/2403.01809
21.	Antoine Saillard, Konrad Wolsing, Klaus Wehrle, and Jan Bauer Exploring Anomaly Detection for Marine Radar Systems Proceedings of the 10th Workshop on the Security of Industrial Control Systems & of Cyber-Physical Systems (CyberICPS '24), co-located with the the 29th European Symposium on Research in Computer Security (ESORICS '24) Publisher: Springer, September 2024 Accepted
20.	Frederik Basels, Konrad Wolsing, Elmar Padilla, and Jan Bauer Demo: Maritime Radar Systems under Attack. Help is on the Way! Proceedings of the 2023 IEEE 48th Conference on Local Computer Networks (LCN) Publisher: IEEE, 2024 Accepted
19.	Olav Lamberts, Konrad Wolsing, Eric Wagner, Jan Pennekamp, Jan Bauer, Klaus Wehrle, and Martin Henze SoK: Evaluations in Industrial Intrusion Detection Research Journal of Systems Research, 3(1) October 2023 ISSN: 2770-5501 DOI: 10.5070/SR33162445
18.	Eric Wagner, Nils Rothaug, Konrad Wolsing, Lennart Bader, Klaus Wehrle, and Martin Henze Retrofitting Integrity Protection into Unused Header Fields of Legacy Industrial Protocols 48th IEEE Conference on Local Computer Networks (LCN), Daytona Beach, Florida, US Publisher: IEEE, October 2023 Accepted
17.	Konrad Wolsing, Antoine Saillard, Elmar Padilla, and Jan Bauer XLab-UUV – A Virtual Testbed for Extra-Large Uncrewed Underwater Vehicles 1st IEEE LCN Workshop on Maritime Communication and Security (MarCaS) Publisher: IEEE, October 2023 DOI: 10.1109/LCN58197.2023.10223405 Accepted
16.	Konrad Wolsing, Dominik Kus, Eric Wagner, Jan Pennekamp, Klaus Wehrle, and Martin Henze One IDS is not Enough! Exploring Ensemble Learning for Industrial Intrusion Detection Proceedings of the 28th European Symposium on Research in Computer Security (ESORICS '23), September 25-29, 2023, The Hague, The Netherlands Volume 14345, page 102-122. Publisher: Springer, September 2023 DOI: 10.1007/978-3-031-51476-0_6 ISBN: 978-3-031-51475-3
15.	Dominik Kus, Konrad Wolsing, Jan Pennekamp, Eric Wagner, Martin Henze, and Klaus Wehrle Poster: Ensemble Learning for Industrial Intrusion Detection 38th Annual Computer Security Applications Conference (ACSAC '22), December 5-9, 2022, Austin, TX, USA Publisher: RWTH Aachen University, December 2022 DOI: 10.18154/RWTH-2022-10809
14.	Konrad Wolsing, Eric Wagner, Antoine Saillard, and Martin Henze IPAL: Breaking up Silos of Protocol-dependent and Domain-specific Industrial Intrusion Detection Systems Proceedings of the 25th International Symposium on Research in Attacks, Intrusions and Defenses (RAID 2022) October 2022 DOI: 10.1145/3545948.3545968
13.	Merlin von Rechenberg, Nina Rößler, Mari Schmidt, Konrad Wolsing, Florian Motz, Michael Bergmann, Elmar Padilla, and Jan Bauer Guiding Ship Navigators through the Heavy Seas of Cyberattacks European Workshop on Maritime Systems Resilience and Security (MARESEC 2022) Publisher: Zenodo, October 2022 DOI: 10.5281/zenodo.7148794 https://zenodo.org/record/7148794
12.	Konrad Wolsing, Antoine Saillard, Jan Bauer, Eric Wagner, Christian van Sloun, Ina Berenice Fink, Mari Schmidt, Klaus Wehrle, and Martin Henze Network Attacks Against Marine Radar Systems: A Taxonomy, Simulation Environment, and Dataset 47th IEEE Conference on Local Computer Networks (LCN) Edmonton, Canada, September 26-29, 2022 Publisher: IEEE, September 2022 DOI: 10.1109/LCN53696.2022.9843801

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