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Tobias Cloosters, M.Sc.

Former Academic Staff

Bio

Tobias Cloosters is a research assistant in the working group for Secure Software Systems at the University of Duisburg-Essen.

Curriculum Vitae

YearPosition / Study Program
since 12/2019Research Assistant at the Secure Software Systems (Syssec) group at the University of Duisburg-Essen
2017−2019Master of Science: Software and Network Engineering at the University of Duisburg-Essen
2015−2019Student Assistant at the Computer Networking Technology Group of the University of Duisburg-Essen
2013−2017Bachelor of Science: Angewandte Informatik – Systems Engineering at the University of Duisburg-Essen

Publications

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  • Tobias Cloosters, Pascal Winkler, Jens-Rene Giesen, Ghassan Karame and Lucas Davi: SscRex: Practical Symbolic Execution of Solana Smart Contracts. In: Proc. of 23rd International Conference of Detection of Intrusions and Malware, and Vulnerability Assessment (DIMVA), Springer, Chania, Greece, 2026.  
  • Oussama Draissi, Tobias Cloosters, David Klein, Michael Rodler, Marius Musch, Martin Johns and Lucas Davi: Wemby’s Web: Hunting for Memory Corruption in WebAssembly. In: ACM SIGSOFT International Symposium on Software Testing and Analysis (ISSTA), Association for Computing Machinery (ACM), Trondheim, Norway, 34. Edition, jun 2025.   [DOI]
  • Johannes Willbold, Tobias Cloosters, Simon Wörner, Felix Buchmann, Moritz Schloegel, Lucas Davi and Thorsten Holz: Space RadSim: Binary-Agnostic Fault Injection to Evaluate Cosmic Radiation Impact on Exploit Mitigation Techniques in Space. In: Proc. of IEEE Symposium on Security and Privacy (S&P), , may 2025.  
  • Sebastien Andreina, Tobias Cloosters, Lucas Davi, Jens-Rene Giesen, Marco Gutfleisch, Ghassan Karame, Alena Naiakshina and Houda Naji: Defying the Odds: Solana’s Unexpected Resilience in Spite of the Security Challenges Faced by Developers. In: Proc. of the 31th ACM SIGSAC Conference on Computer & Communications Security (CCS), ACM, Salt Lake City, USA, oct 2024.  
  • Tobias Cloosters, Oussama Draissi, Johannes Willbold, Thorsten Holz and Lucas Davi: Memory Corruption at the Border of Trusted Execution.IEEE Security & Privacy, Volume 2024, apr 2024, 2-11.   [DOI]
  • Tobias Cloosters, David Paaßen, Jianqiang Wang, Oussama Draissi, Patrick Jauernig, Emmanuel Stapf, Lucas Davi and Ahmad-Reza Sadeghi: RiscyROP: Automated Return-Oriented Programming Attacks on RISC-V and ARM64. In: Proc. of the 25th International Symposium on Research in Attacks, Intrusions and Defenses (RAID 2022), , Limassol, Cyprus, oct 2022.   [DOI]
  • Tobias Cloosters, Sebastian Surminski, Gerrit Sangel and Lucas Davi: SALSA: SGX Attestation for Live Streaming Applications. In: Proc. of 7th IEEE Secure Development Conference (SecDev), IEEE, oct 2022.   [DOI]
  • Tobias Cloosters, Johannes Willbold, Thorsten Holz and Lucas Davi: SGXFuzz: Efficiently Synthesizing Nested Structures for SGX Enclave Fuzzing. In: Proc. of 31st USENIX Security Symposium, , aug 2022.  
  • Tobias Cloosters, Michael Rodler and Lucas Davi: TeeRex: Discovery and Exploitation of Memory Corruption Vulnerabilities in SGX Enclaves. In: Proc. of 29th USENIX Security Symposium, , aug 2020.  

    • Former Academic Staff

    Tobias Cloosters, M.Sc.