About me.

I am a PhD Student in the CoreSec Group of Daniel Gruss at ISEC at Graz University of Technology. My research area is side-channel attacks and defenses.

2026

June 2026
TELESCOPE: TDX Exploit Leaking Encrypted Data using Sibling Core Performance Counters
Fabian Rauscher, Hannes Weissteiner, Daniel Gruss
AsiaCCS 2026
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February 2026
Continuous User Behavior Monitoring using DNS Cache Timing Attacks
Hannes Weissteiner, Roland Czerny, Simone Franza, Stefan Gast, Johanna Ullrich, Daniel Gruss
NDSS 2026
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February 2026
Memory Band-Aid: A Principled Rowhammer Defense-in-Depth
Carina Fiedler, Jonas Juffinger, Sudheendra Raghav Neela, Martin Heckel, Hannes Weissteiner, Abdullah Giray Yağlıkçı, Florian Adamsky, Daniel Gruss
NDSS 2026
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September 2025
Epistemology of Rowhammer Attacks: Threats to Rowhammer Research Validity
Martin Heckel, Hannes Weissteiner, Florian Adamsky, Daniel Gruss
ESORICS 2025
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August 2025
TEEcorrelate: An Information-Preserving Defense against Performance-Counter Attacks on TEEs
Hannes Weissteiner, Fabian Rauscher, Robin Leander Schröder, Jonas Juffinger, Stefan Gast, Jan Wichelmann, Thomas Eisenbarth, Daniel Gruss
USENIX 2025
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August 2025
TDXploit: Novel Techniques for Single-Stepping and Cache Attacks on Intel TDX
Fabian Rauscher, Luca Wilke, Hannes Weissteiner, Thomas Eisenbarth, Daniel Gruss
USENIX 2025
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July 2025
The HMB Timing Side Channel: Exploiting the SSD's Host Memory Buffer
Jonas Juffinger, Hannes Weissteiner, Thomas Steinbauer, Daniel Gruss
DIMVA 2025
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February 2025
CounterSEVeillance: Performance-Counter Attacks on AMD SEV-SNP
Stefan Gast, Hannes Weissteiner, Robin Leander Schröder, Daniel Gruss
NDSS 2025
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April 2024
CRACKPIPE - Covertly Reconstructing Arbitrary Code tracKs using Per-Instruction Performance-counter Evaluation
Hannes Weissteiner
Master's Thesis
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