M. Sc. David Rupprecht

  • Research Assistant - Research Group Wireless Security
Rupprecht, David

Address

Ruhr-Uni­ver­si­ty Bo­chum
Chair for Sys­tems Se­cu­ri­ty
Uni­ver­si­täts­stras­se 150
44780 Bo­chum / Ger­ma­ny

Room
ID 2/126
Phone:
(+49)(0)234 / 32 - 23508
Email:
david.rupprecht@rub.de PGP key

Vita

  • Since 12/2015: Re­se­arch As­sis­tant/PhD Po­si­ti­on at the Information Security Group, Chair for System Security, Horst Görtz In­sti­tu­te for IT-Se­cu­ri­ty, Ruhr-Uni­ver­si­ty Bo­chum, Ger­ma­ny
  • 09/2012 - 11/2015: Study of Mas­ter of Science in IT-Se­cu­ri­ty, Ruhr-Uni­ver­si­ty Bo­chum, Ger­ma­ny
  • 08/2009 - 08/2012: Study of Ba­che­lor of Engineering in Communications and Information Technology, Hochschule für Telekommunikation Leipzig, Ger­ma­ny

Research

My research focuses on mobile network security, particularly on the LTE and 5G access network. Within this domain, I concentrate on specification, implementation as well as configuration flaws. In my spare time, I contribute to the srsLTE project (https://www.srslte.com/).

Publications

2020
Call Me Maybe: Eavesdropping Encrypted LTE Calls With ReVoLTE

David Rupprecht, Katharina Kohls, Thorsten Holz, Christina Pöpper - USENIX Security Symposium, Boston, MA, USA, August 2020

IMP4GT: IMPersonation Attacks in 4G NeTworks

David Rupprecht, Katharina Kohls, Thorsten Holz, Christina Pöpper - Network and Distributed System Security Symposium (NDSS), San Diego, California, USA, February 2020

2019
Breaking LTE on Layer Two

David Rupprecht, Katharina Kohls, Thorsten Holz, Christina Pöpper - IEEE Symposium on Security & Privacy (Oakland), May 2019

Lost Traffic Encryption: Fingerprinting LTE/4G Traffic on Layer Two

Katharina Kohls, David Rupprecht, Thorsten Holz, Christina Pöpper - Conference on Security and Privacy in Wireless and Mobile Networks (WiSec ’19), May 15–17, 2019, Miami, FL, USA, ACM

LTE Security Disabled — Misconfiguration in Commercial Networks

Merlin Chlosta, David Rupprecht, Thorsten Holz, Christina Pöpper - Conference on Security and Privacy in Wireless and Mobile Networks (WiSec ’19), May 15–17, 2019, Miami, FL, USA, ACM

On the Challenges of Geographical Avoidance for Tor

Katharina Kohls, Kai Jansen, David Rupprecht, Thorsten Holz, Christina Pöpper - Network and Distributed System Security Symposium (NDSS 2019), San Diego, California, USA, February 2019

2018
On Security Research Towards Future Mobile Network Generations

David Rupprecht, Adrian Dabrowski, Thorsten Holz, Edgar Weippl, Christina Pöpper - IEEE Communications Surveys and Tutorials, Volume: 20, Issue:3, 2018

2017
On Security Research towards Future Mobile Network Generations

David Rupprecht, Adrian Dabrowski, Thorsten Holz, Edgar Weippl, Christina Pöpper - arXiv:1710.08932, November 2017

2016
Putting LTE Security Functions to the Test: A Framework to Evaluate Implementation Correctness

David Rupprecht, Kai Jansen, Christina Pöpper - USENIX Workshop on Offensive Technologies (WOOT), 2016