Expertise
Computer Science
- Internet
- Border Gateway Protocol
- Service
- Distributed Denial of Service Attack
- Domain Name System
- Network Time Protocol
- Routing Protocol
- Autonomous System
Organisations
Ancillary activities
- Stichting Internet Domeinregistratie Nederland (SIDN)Director of SIDN Labs (daytime job, SIDN pays for my 1 day a week at the UT)
- ACademic Cyber Security Society (ACCSS)Member of the Advisory Board
- Cyber Security RaadMember of the Dutch Cyber Security Council (Cyber Security Raad)
Publications
2025
A First Look at the Adoption of BGP-based DDoS Scrubbing Services: A 5-year Longitudinal Analysis (2025)In 2025 21st International Conference on Network and Service Management (CNSM). Khadka, S. K., Bayhan, S., Holz, R., Shokoohi, S., Barcellos, M. & Hesselman, C. E. W.https://doi.org/10.23919/CNSM67658.2025.11297552Detecting and Characterizing DDoS Scrubbing from Global BGP Routing: Insights from Five Leading Scrubbers (2025)In Passive and Active Measurement Conference 2026. Springer (Accepted/In press). Khadka, S. K., Bayhan, S., Holz, R. & Hesselman, C. E. W.Collaboratively Increasing the DDoS-Resilience of Digital Societies Through Anti-DDoS Coalitions (2025)IEEE communications magazine, 63(1), 168-174. Yazdani, R., van den Hout, T., Poortinga - van Wijnen, R., Lovink, K. & Hesselman, C. E. W.https://doi.org/10.1109/MCOM.005.2300518
2024
MS4PAN: Measurement System for Path-Aware Networks (2024)In 2024 IEEE 13th International Conference on Cloud Networking, CloudNet 2024. IEEE. Boldrini, L., Battipaglia, A., Hesselman, C. & Grosso, P.https://doi.org/10.1109/CloudNet62863.2024.10815880Assessing the security of Internet paths: A case study of Dutch critical infrastructures (2024)In ANRW 2024 - Proceedings of the 2024 Applied Networking Research Workshop (pp. 67-73). Association for Computing Machinery. Khadka, S. K., Bayhan, S., Holz, R. & Hesselman, C. E. W.https://doi.org/10.1145/3673422.3674899Serial BGP Hijackers: A Reproducibility Study and Assessment of Current Dynamics (2024)In TMA 2024 - Proceedings of the 8th Network Traffic Measurement and Analysis Conference. IEEE. Jaw, E., Müller, M., Hesselman, C. & Nieuwenhuis, L.https://doi.org/10.23919/TMA62044.2024.10559067Deep Dive into NTP Pool's Popularity and Mapping (2024)In SIGMETRICS/PERFORMANCE '24: Abstracts of the 2024 ACM SIGMETRICS/IFIP PERFORMANCE Joint International Conference on Measurement and Modeling of Computer Systems (pp. 9-10). Association for Computing Machinery. Moura, G. C. M., Davids, M., Schutijser, C., Hesselman, C., Heidemann, J. & Smaragdakis, G.https://doi.org/10.1145/3652963.3655051Towards Security Transparency ofĀ Autonomous Systems onĀ theĀ Internet (2024)In Computer Security. ESORICS 2023 International Workshops: CPS4CIP, ADIoT, SecAssure, WASP, TAURIN, PriST-AI, and SECAI, The Hague, The Netherlands, September 25ā29, 2023, Revised Selected Papers, Part II (pp. 510-513) (Lecture Notes in Computer Science; Vol. 14399). Springer. Khadka, S. K., Holz, R. & Hesselman, C.https://doi.org/10.1007/978-3-031-54129-2_30Deep Dive into NTP Pool's Popularity and Mapping (2024)Proceedings of the ACM on Measurement and Analysis of Computing Systems, 8(1). Article 15. Moura, G. C. M., Davids, M., Schutijser, C., Hesselman, C., Heidemann, J. & Smaragdakis, G.https://doi.org/10.1145/3639041A testbed to evaluate quantum-safe cryptography in DNSSEC (2024)[Contribution to conference › Paper] DNS and Internet Naming Research Directions, DINR 2024. Schutijser, C., Lastdrager, E. E. H., Koning, R. & Hesselman, C. E. W.
Research profiles
Courses academic year 2025/2026
Courses in the current academic year are added at the moment they are finalised in the Osiris system. Therefore it is possible that the list is not yet complete for the whole academic year.
- 191211208 - Internship EE
- 191211219 - Master Thesis Project
- 191211650 - Multi-Disciplinary Design Project
- 192199508 - Research Topics CS
- 192199968 - Internship CS
- 192199978 - Final Project CS
- 201300086 - Research Topics 2 CS
- 201400171 - Capita Selecta ST
- 201700077 - Advanced Networking
- 201800524 - Research Topics EIT
- 201900223 - Capita Selecta Electrical Engineering
- 202001434 - Internship EMSYS
- 202001613 - MSc Final Project BIT / CS
- 202300070 - Final Project EMSYS
Courses academic year 2024/2025
- 191211208 - Internship EE
- 191211219 - Master Thesis Project
- 191211650 - Multi-Disciplinary Design Project
- 192199508 - Research Topics CS
- 192199968 - Internship CS
- 192199978 - Final Project CS
- 201300086 - Research Topics 2 CS
- 201400171 - Capita Selecta ST
- 201700077 - Advanced Networking
- 201700083 - Security Services for IoT
- 201800524 - Research Topics EIT
- 201900223 - Capita Selecta Electrical Engineering
- 202001434 - Internship EMSYS
- 202001613 - MSc Final Project BIT + CS
- 202200251 - Capita Selecta DST
- 202300070 - Final Project EMSYS
Address

University of Twente
Zilverling (building no. 11)
Hallenweg 19
7522 NH Enschede
Netherlands

University of Twente
Zilverling (building no. 11), room 5055
Hallenweg 19
7522 NH Enschede
Netherlands
University of Twente
Zilverling
P.O. Box 217
7500 AE Enschede
Netherlands