Lorenz Hetterich

Lorenz Hetterich

PhD Student

Hi! I am a PhD student at Saarland University working for the CISPA Helmholtz Center for Information Security under the supervision of Dr. Michael Schwarz. My main focus is on transient execution attacks and microachitectural side channels on Arm processors, especially the Apple M1.

CV

PhD Student

CISPA / Saarland University

2023 - today

PhD Preparation

Saarbrücken Graduate School of CS

2021 - 2023

Cybersecurity B.Sc.

Saarland University

2018 - 2021

Publications


2024
Switchpoline: A Software Mitigation for Spectre-BTB and Spectre-BHB on ARMv8

Markus Bauer, Lorenz Hetterich, Christian Rossow, Michael Schwarz

ASIACCS

Singapore,

July 1-5

2024

CacheWarp: Software-based Fault Injection using Selective State Reset

Ruiyi Zhang, Lukas Gerlach, Daniel Weber, Lorenz Hetterich, Youheng Lü, Andreas Kogler, Michael Schwarz

USENIX Security

Philadelphia,

PA,

USA,

August 14-16

2024


2023
FetchBench: Systematic Identification and Characterization of Proprietary Prefetchers

Till Schlüter, Amit Choudhari, Lorenz Hetterich, Leon Trampert, Hamed Nemati, Ahmad Ibrahim, Michael Schwarz, Christian Rossow, Nils Ole Tippenhauer

CCS

Copenhagen,

Denmark,

November 26-30

2023


2022
Branch Different - Spectre Attacks on Apple Silicon

Lorenz Hetterich, Michael Schwarz

DIMVA

Cagliari,

Italy,

June 29 - July 1

2022

Talks


2024
Arbitrary Data Manipulation and Leakage with CPU Zero-Day Bugs on RISC-V

Fabian Thomas, Lorenz Hetterich, Ruiyi Zhang, Michael Schwarz

Black Hat USA

Las

Vegas,

USA,

August 7

2024

CITEINFO