L4Android: a generic operating system framework for secure smartphones. - Matthias Lange; Steffen Liebergeld; Adam Lackorzynski; Alexander Warg; Michael Peter (SPSM@CCS, 2011)

Taming Mr Hayes: Mitigating signaling based attacks on smartphones. - Collin Mulliner; Steffen Liebergeld; Matthias Lange; Jean-Pierre Seifert (DSN, 2012)

L4Android security framework on the Samsung galaxy S2. - Matthias Lange; Steffen Liebergeld; Adam Lackorzynski; Alexander Warg; Janis Danisevskis; Jan Nordholz (ACM SIGMOBILE Mob. Comput. Commun. Rev., 2012)

Crossover: secure and usable user interface for mobile devices with multiple isolated OS personalities. - Matthias Lange; Steffen Liebergeld (ACSAC, 2013)

NEMESYS: Enhanced Network Security for Seamless Service Provisioning in the Smart Mobile Ecosystem. - Erol Gelenbe; Gökçe Görbil; Dimitrios Tzovaras; Steffen Liebergeld; David García; Madalina Baltatu; George L. Lyberopoulos (ISCIS, 2013)

Android Security, Pitfalls and Lessons Learned. - Steffen Liebergeld; Matthias Lange (ISCIS, 2013)

Security for smart mobile networks: The NEMESYS approach. - Erol Gelenbe; Gökçe Görbil; Dimitrios Tzovaras; Steffen Liebergeld; David García; Madalina Baltatu; George L. Lyberopoulos (PRISMS, 2013)