Research

Until 2013 I was pursuing my Ph.D studies at the Berlin Institute of Technology in Berlin, Germany at the lab for Security in Telecommunications. The topic of my research was in the field of operating systems with a specialization on microkernel based systems. My advisor was Prof. Jean-Pierre Seifert.

Research Interests

Publications

Peer reviewed papers

Cellpot: A Concept for Next Generation Cellular Network Honeypots

Steffen Liebergeld, Matthias Lange, Ravishankar Borgaonkar
1st Workshop on Security of Emerging Networking Technologies, co-located
with Network and Distributed System Security (NDSS) Symposium, February 2014,
San Diego, California, USA

Crossover: Secure and Usable User Interface for Mobile Devices with Multiple Isolated OS Personalities

Matthias Lange, Steffen Liebergeld
Annual Computer Security Applications Conference (ACSAC) 2013, New
Orleans, Louisiana, USA

PDF

Security for smart mobile networks: The NEMESYS approach

Gelenbe, Gorbil, Tzovaras, Liebergeld, Garcia, Baltatu, Lyberopoulos
Proceedings of the 2013 IEEE Global High Tech Congress on Electronics (GHTCE'13), Nov 2013, Shenzhen, China

PDF

NEMESYS: Enhanced Network Security for Seamless Service Provisioning in the Smart Mobile Ecosystem

Gelenbe, Gorbil, Tzovaras, Liebergeld, Garcia, Baltatu, Lyberopoulos
28th International Symposium on Computer and Information Sciences
(ISCIS) 2013, October 2013, Paris, France

PDF

Android Security, Pitfalls and Lessons Learned

Steffen Liebergeld, Matthias Lange
1st International EU FP7 NEMESYS Workshop on Mobile
Network Security and Resilience, co-located with ISCIS 2013, October 2013,
Paris, France

PDF

Nomadic Honeypots: A Novel Concept for Smartphone Honeypots

Steffen Liebergeld, Matthias Lange, and Collin Mulliner
Proceedings of the workshop Mobile Security Technologies (MoST) 2013, in
conjunction with the 34th IEEE Symposium on Security and Privacy, May 2013, San Francisco CA, USA
(Acceptance rate 9/22)

PDF | Slides

Taming Mr Hayes: Mitigating Signaling Based Attacks on Smartphones

Collin Mulliner, Steffen Liebergeld, Matthias Lange, and Jean-Pierre Seifert,
Proceedings of the IEEE/IFIP 41st International Conference on Dependable Systems Networks (DSN), June 2012, Boston MA, USA
(DSN/DCCS acceptance rate 27/156 = 17.3%)

Note: Collin Mulliner received the IEEE William C Carter Award for this paper.

PDF | Bibtex

L4Android: A Generic Operating System Framework for Secure Smartphones

Matthias Lange, Steffen Liebergeld, Adam Lackorzynski, Alexander Warg, and Michael Peter
Proceedings of SPSM '11: Workshop on Security and Privacy in Smartphones and Mobile Devices, Oct 2011, Chicago, USA
(Acceptance rate 9/19)

PDF | Bibtex

Books/Chapters

Hochsichere Smartphones mit L4Android

Steffen Liebergeld, Matthias Lange, Adam Lackorzynski, and Alexander Warg
erschienen im Buch "Smart Mobile Apps" herausgegeben von Stephan Verclas und Claudia Linnhoff-Popien, ISBN: 978-3-642-22258-0

Posters

Power Management on Mobile Devices with Virtual Machines

Steffen Liebergeld, Matthias Lange, and Dmitry Nedospasov
Proceedings of the 13th International Workshop on Mobile Computing 
Systems and Applications/HotMobile 2012, Feb 2012, San Diego Ca, USA

Abstract

HoneyDroid - Creating a Smartphone Honeypot

Collin Mulliner, Steffen Liebergeld, and Matthias Lange
Proceedings of the IEEE Symposium on Security and Privacy, May 2011, Oakland, USA

Abstract

Demos

L4Android security framework on the Samsung Galaxy S2

Matthias Lange, Steffen Liebergeld, Adam Lackorzynski, Alexander Warg, Janis Danisevskis, and Jan C. Nordholz

Abstract

Diploma Thesis

Lightweight Virtualization on Microkernel-based Systems

Diploma Thesis, Dresden, Germany, February 2010

PDF | Slides

Großer Beleg

Efficient Virtualization on ARM Platforms

Großer Beleg/Study Work, Dresden, Germany, May 2009

PDF

Other publications

Android Security, Pitfalls, Lessons Learned and BYOD

Steffen Liebergeld, Matthias Lange
Technical Report Technische Universität Berlin, 2013-07 ISSN 1436-9915

PDF

Towards Modular Security-Conscious Virtual Machines

Steffen Liebergeld, Michael Peter and Adam Lackorzynski
Proceedings of the Twelfth Real-Time Linux Workshop, Oct 2010, Nairobi, Kenya

PDF | Bibtex

A developer’s insight into DROPS

Online article about my experiences working with the Dresden Realtime Operating System (a predecessor of L4Re).

Link

Projects

Miscellaneous

When writing my diploma thesis I discovered and reported a CPU erratum. It is listed as erratum 415 here: pdf


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