Hi there! I am a PhD student at Saarland University working at CISPA. My research covers various topics, focusing on systems security and microarchitectural security.
CV
PhD Student
CISPA / Saarland University
2024 – today
Cybersecurity M.Sc.
Saarland University
2022 – 2024
Cybersecurity B.Sc.
Saarland University
2018 – 2021
Publications
2026
InstrSem: Automatically and Generically Inferring Semantics of (Undocumented) CPU Instructions
USENIX Security
Baltimore, Maryland, USA, August 12-14, 2026
2025
Taming the Linux Memory Allocator for Rapid Prototyping
DIMVA
Graz University of Technology, Austria, July 9-11, 2025
Rapid Reversing of Non-Linear CPU Cache Slice Functions: Unlocking Physical Address Leakage
Mikka Rainer, Lorenz Hetterich, Fabian Thomas, Tristan Hornetz, Leon Trampert, Lukas Gerlach, Michael Schwarz
S&P
San Francisco, California, USA, May 12-15, 2025
Lixom: Protecting Encryption Keys with Execute-Only Memory
FC
Miyakojima, Japan, April 14-18, 2025
PortPrint: Identifying Inaccessible Code with Port Contention
uASC
Bochum, Germany, February 19, 2025
BibTeX Citation
@misc{hetterich2026instrsem,
title={InstrSem: Automatically and Generically Inferring Semantics of (Undocumented) CPU Instructions},
howpublished={USENIX Security},
author={Lorenz Hetterich and Fabian Thomas and Tristan Hornetz and Michael Schwarz},
year={2026}
}BibTeX Citation
@misc{zhang2025mapalloc,
title={Taming the Linux Memory Allocator for Rapid Prototyping},
howpublished={DIMVA},
author={Ruiyi Zhang and Tristan Hornetz and Lukas Gerlach and Michael Schwarz},
year={2025}
}BibTeX Citation
@misc{rainer2025rapid,
title={Rapid Reversing of Non-Linear CPU Cache Slice Functions: Unlocking Physical Address Leakage},
howpublished={S\&P},
author={Mikka Rainer and Lorenz Hetterich and Fabian Thomas and Tristan Hornetz and Leon Trampert and Lukas Gerlach and Michael Schwarz},
year={2025}
}BibTeX Citation
@misc{hornetz2025lixom,
title={Lixom: Protecting Encryption Keys with Execute-Only Memory},
howpublished={FC},
author={Tristan Hornetz and Lukas Gerlach and Michael Schwarz},
year={2025}
}BibTeX Citation
@misc{hornetz2025portprint,
title={PortPrint: Identifying Inaccessible Code with Port Contention},
howpublished={uASC},
author={Tristan Hornetz and Michael Schwarz},
year={2025}
}