Publikationen
The access to some publications is restricted. Please ask the authors for credentials.
2012
-
Location Privacy for Vehicle-to-Grid Interaction through Battery Management
To appear in the proceedings of the 9th International Conference on Information Technology: New Generations, (ITNG) 2012 -
Using distributed user interfaces in collaborative, secure and privacy-preserving software environments
To be published in the International Journal of Human-Computer Interaction by Taylor & Francis, (IJHCI) 2012 -
Towards transparent anonymity for user-controlled servers supporting collaborative scenarios
To appear in the proceedings of the 9th International Conference on Information Technology: New Generations, (ITNG) 2012 -
Erhöhung der Sicherheit von Lebensmittelwarenketten durch Modell-getriebene Prozess-Implementierung
Angenommen bei der MKWI 2012, Teilkonferenz "Kommunikations- und Kooperationssysteme, Track "Digitale Netzwerke in unsicheren Umwelten", 29.2.-2.3.2012 in Braunschweig -
Enhancing security and usability of DUI based collaboration with proof based credential systems
To be published in the Proceedings of the Distributed User Interfaces 2012 CHI Workshop, held in conjunction with 2012 CHI conference -
Context-aware, trust-based access control for the digital.me userware
To appear in the proceedings of: New Technologies, Mobility and Security (NTMS), 2012 5th IFIP International Conference on, (NTMS) 2012 -
Towards usable interfaces for proof based access rights on mobile devices
OPEN PROBLEMS IN NETWORK SECURITY Lecture Notes in Computer Science, 2012, Volume 7039/2012, 15-27, DOI: 10.1007/978-3-642-27585-2_2
Doownload paper -
Using Distributed User Interfaces to Evaluate Decision Making in Cloud Deployment
To be published in the Proceedings of the Distributed User Interfaces 2012 CHI Workshop, held in conjunction with 2012 CHI conference -
Towards Secure and At-Runtime Tailorable Customer-Driven Public Cloud Deployment
To appear in the proceedings of the 9th International IEEE Workshop on Managing Ubiquitous Communications and Services, part of the IEEE International Conference on Pervasive Computing and Communications, (PerCom) 2012 -
A requirements-driven approach towards decentralized social networks
To appear in the proceedings of the 2012 International Workshop on Social Computing, Network, and Services (SocialComNet 2012)
2011
-
Supporting Distributed Decision Making Using Secure Distributed User Interfaces
Proceedings of Distributed User Interfaces 2011 CHI Workshop, held in conjuction with CHI 2011 conference.
In J.A. Gallud et al. (eds.), Distributed User Interfaces: Designing Interfaces for the Distributed Ecosystem, Human-Computer Interaction Series © Springer-Verlag London Limited 2011
Doownload paper -
Enhancing Usability of Privacy-Respecting Authentication and Authorization in Mobile Social Settings by Using Idemix
Scientific research paper (ger. Wissenschaftlicher Artikel) in the context of the EU FP7 project di.me, 2011, OPUS Siegen URL: http://dokumentix.ub.uni-siegen.de/opus/volltexte/2011/483/ URN-Resolver of the German National Library: http://nbn-resolving.de/urn:nbn:de:hbz:467-4839
Download paper -
A two-level approach to ontology-based access control in pervasive personal servers
Scientific research paper (ger. Wissenschaftlicher Artikel) in the context of the EU FP7 project di.me, 2011, OPUS Siegen URL: http://dokumentix.ub.uni-siegen.de/opus/volltexte/2011/578/ URN-Resolver of the German National Library: http://nbn-resolving.de/urn:nbn:de:hbz:467-5789
Download paper -
A Privacy-Respecting Indoor Localization Approach For Identifying Shopper Paths By Using End-Users Mobile Devices
in Eighth International Conference on Information Technology: New Generations, (ITNG) 2011
Download paper -
Towards Usable Client-Centric Privacy Advisory for Mobile Collaborative Applications Based on BDDs
New Technologies, Mobility and Security (NTMS), 2011 4th IFIP International Conference on, (NTMS) 2011
Download paper -
Using distributed user interfaces in collaborative, secure and privacy-preserving software environments
To be published in the International Journal of Human-Computer Interaction by Taylor & Francis, (IJHCI) 2012 -
Privacy and Security in Multi-modal User Interface Modeling for Social Media
Privacy, Security, Risk and Trust (PASSAT), 2011 IEEE Third International Conference on and 2011 IEEE Third International Confernece on Social Computing (SocialCom), (SocialCom/PASSAT) 2011
Download paper -
Link Globally-Trust Locally
Federated Social Web Summit, , Berlin (Germany). June 3rd-5th 2011.
Visit the agenda and download the paper -
A Practical Complexity-Theoretic Analysis of Mix Systems
European Symposium on Research in Computer Security (ESORICS). LNCS Volume 6879. 2011 -
digital.me, towards an integrated Personal Information Sphere
Federated Social Web Summit, , Berlin (Germany). June 3rd-5th 2011.
Visit the agenda and download the paper -
TRACKING SHOPPERS BEHAVIOR AT THE POINT OF SALE BY USING END-USERS MOBILE DEVICES
40th EMAC International Conference, New Technologies and E-Marketing Track, 2011
Click here for more information -
50 Bucks Attack on Tor
Nordic Conference in Secure IT Systems (NordSec). 2011 -
Malice versus AN.ON: Possible Risks of Missing Replay and Integrity Protection
To appear 15th Internation Conference on Financial Cryptography and Data Security (FC2011). Feb, 2011. -
Mobile applications for the angling community
To appear in the proceedings of 6th World Recreational Fishing Conference, August 1-4, 2011, Berlin
Click here for more information
2010
-
AFFINE for Enforcing Earlier Consideration of NFRs and Human Factors When Building Socio-Technical Systems Following Agile Methodologies
Published in Proceedings of the 3rd Conference on Human-Centred Software Engineering (HCSE), 2010
Download paper -
Enhancing Privacy in Mobile Collaborative Applications By Enabling End-User Tailoring Of The Distributed Architecture
To appear in the International Journal for Infonomics (IJI), Volume 3, Issue 4, p. 563 - 572, December 2010
Click here for more information (author list not yet updated!) -
Evaluating potentials of Internet- and Web-based SocialTV in the light of privacy
Published in Proceedings of the Social Computing (SocialCom), 2010 IEEE Second International Conference on , 2010
Download paper -
Building Usable and Privacy-Preserving Mobile Collaborative Applications for Real-Life Communities: A Case Study Based Report
Published in Proceedings of International Conference on Information Society (i-Society), 2010
Download paper -
Eine datenschutzfreundliche, ortsbezogene Groupware für das iPhone
Essener Workshop zur Netzsicherheit 2010 (EWNS10), 2010
Click here for more information -
Porting and evaluating the performance of IDEMIX and TOR anonymity on modern smartphones
Diploma thesis, in the context of the digital.me project
Download thesis -
Cryptographic Protocol Analysis of AN.ON
Appeared in Proceedings of the 14th International Conference of Financial Cryptography and Data Security, 2010
Download paper -
Introducing Perfect Forward Secrecy for AN.ON
Appeared in Proceedings of Eunice 2010
Download paper
2009
-
Usability Inspection of Anonymity Networks
Proceedings of the 2009 World Congress on Privacy, Security, Trust and the Management of e-Business, August 25-27, Saint John, New Brunswick, Canada, 2009.
Download paper -
Towards Building User-Centric Privacy-Respecting Collaborative Applications
International Conference on Intelligent Interactive Assistance and Mobile Multimedia Computing,
CCIS 53, Springer-Verlag, Berlin, 2009, pp. 390-340.
Download paper -
Tailoring collaboration according privacy needs in real-identity collaborative systems
In the 15th Collaboration Researchers' International Workshop on Groupware, CRIWG 2009, September 13-17, Peso da Régua, Douro, Portugal, volume 5784 of Lecture Notes in Computer Science, pages 110–125. Springer, 2009.
Download paper -
Enhancing Trust in SOA Based Collaborative Environments
3rd International DMTF Academic Alliance Workshop on Systems and Virtualization Management: Standards and the Cloud, Springer Verlag, Berlin, 2009.
Download paper -
iNetSec 2009-Open Research Problems in Network Security
In Proceedings of IFIP WG 11.4 International Workshop Zurich, Switzerland, April 2009 -
SHALON: Lightweight Anonymization based on Open Standards
Proceedings of 18th Internatonal Conference on Computer Communications and Networks, 2009.
Download paper -
A Combinatorial Approach for an Anonymity Metric
Australasian Conference on Information Security and Privacy (ACISP 2009), Brisbane, Australia, 1-3 July 2009. -
Discussing Anonymity Metrics for Mix Based Anonymity Approaches
iNetSec 2009 - Open Research Problems in Network Security, Zurich, Switzerland, April 2009. -
Security Analysis of AN.ON’s Payment Scheme
Proceedings of NordSec, 2009.
Download paper -
A Kademlia-based Node Lookup System for Anonymization Networks
Proceedings of International Conference on Information Security and Assurance, 2009.
Download paper
2008
-
A Context Aware Network-IDS
Proceedings of the 13th Nordic Workshop on Secure IT Systems, 2008
Download paper -
Analyse der Verkettbarkeit in nutzergesteuertem Identitätsmanagement
In Proceedings of Fachtagung GI Sicherheit, Saarbrücken, Germany, 2008. -
An Ontology-Based Approach for Managing and Maintaining Privacy in Information Systems.
Dissertation, Aachen, Germany, Shaker Verlag, Informatik, ISBN 978-3-8322-7817-5, 2008. -
Analysis of the Anonymity Set of Chaumian Mixes
In Proceedings of 13th Nordic Workshop on Secure IT-Systems, Kongens Lyngby, Denmark, 9-10 October 2008. -
Ein einfaches Anonymisierungsverfahren basierend auf offenen Standards
In Informatiktage, pages 231–233, 2008. -
Entwicklung und Evaluation eines einfachen und effizienten Anonymisierungsverfahrens basierend auf offenen Standards
Master's thesis, RWTH Aachen, Januar 2008.
2007
-
Information Disclosure in Identity Management
In Proceedings of 12th Nordic Workshop on Secure IT-Systems, Reykjavik, Iceland, 11-12 October 2007. -
Enforcing Privacy by Means of an Ontology Driven XACML Framework.
In The Third International Symposium on Information Assurance and Security, IAS 2007, Aug 29 - Aug 31, Manchester, United Kingdom, pages 279-284, IEEE CS Press, 2007.
2006
-
TrustedPals: Secure Multiparty Computation Implemented with SmartCards
ESORICS 2006: 11th European Symposium On Research In Computer Security, Hamburg, Germany, September 18-20, 2006. -
Fundamental Limits on the Anonymity Provided by the MIX Technique
The 2006 IEEE Symposium on Security and Privacy, Oakland, California, USA, May 2006 -
Safety, Liveness, and Information Flow: Dependability Revisited
ARCS Workshop: Dependability and Fault Tolerance, Frankfurt 2006. -
Technical Challenges of Network Anonymity
Computer Communications, Internet Security, Elsevier, Volume 29, Issue 3, 1 February 2006, Pages 306-324 -
Identitätsmanagement und das Risiko der Re-Identifikation
Sicherheit 2006, 3. Jahrestagung, Fachbereich Sicherheit der Gesellschaft für Informatik, Magdeburg, Februray 2006. -
An Architecture for Integrating Heterogeneous University Applications that Supports Monitoring.
In The 2nd International Conference on Trends in Enterprise Application Architecture, TEAA 2006, Nov 29 - Dec 1, Berlin, Germany, volume 4473 of Lecture Notes in Computer Science, pages 16-24, 2006. Springer-Verlag Berlin Heidelberg, 2006. -
An ontology-based approach for managing and maintaining privacy in information systems.
In The 5th Int. Conf. on Ontologies, DataBases, and Applications of Semantics, ODBASE 2006, Oct 31 - Nov 2, Montpellier, France, volume 4275 of Lecture Notes in Computer Science, pages 983-994, 2006. Springer-Verlag Berlin Heidelberg, 2006. -
A Framework Ensuring Privacy in a Distributed Environment.
In The 4th Annual Conference on Privacy, Security and Trust, PST 2006, Oct 30 - Nov 1, Markham/Toronto, Ontario, Canada
2005
-
Privacy Enhanced Identity Management: Design Considerations and Open Problems
ACM CCS2005 Workshop on Digital Identity Management, Fairfax, USA. November 2005 -
Intersection Attacks on Web-Mixes: Bringing the Theory into Praxis
First Workshop on Quality of Protection, Milan, Italy. September 2005 -
The Lower Bound of Attacks on Anonymity Systems -- A Unicity Distance Approach
First Workshop on Quality of Protection, Milan, Italy. September 2005 -
Mit IDM und Mittler zu mehr Privatsphäre in LBS.
Ortsbezogene Anwendungen und Dienste, Fachgespräch der GI-Fachgruppe KuVS
Download paper -
Privacy for Profitable Location Based Services
2nd International Conference on Security in Pervasive Computing Boppard, Lecture Notes on Computer Science (LNCS), Germany, April 2005 -
Security Evaluation of Anonymity Techniques (in German)
SICHERHEIT 2005, 2. Jahrestagung, GI Fachbereich Sicherheit, Vol.P-62, April 2005
Download paper -
Secure Multi-Party Computation with Security Modules
SICHERHEIT 2005, 2. Jahrestagung, GI Fachbereich Sicherheit, Vol.P-62, April 2005
Download paper -
An Algorithmic Framework for Robust Access Control in Wireless Sensor Networks
2nd European Workshop on Wireless Sensor Networks (EWSN) 2005, January 2005
Download paper
2004
-
User Authentication in Sensor Networks (extended abstract)
Proceedings of Informatik 2004, Workshop on Sensor Networks, GI-Edition, Lecture Notes in Informatics (LNI), Vol. 51, September 2004
Download paper -
The Hitting Set Attack on Anonymity Protocols
6th International Workshop on Information Hiding, Lecture Notes in Computer Science (LNCS), Springer-Verlag, Toronto, Canada, May 2004
Download paper
2003
-
Probabilistic Treatment of MIXes to Hamper Traffic Analysis
The 2003 IEEE Symposium on Security and Privacy, Oakland, California, USA, May 2003
Download paper -
How to Measure Anonymity: The Disclosure Attack
IEEE Security & Privacy Magazine, Nov.-Dec. 2003, Volume 1, Nr. 6
Download paper
2002
-
Limits of Anonymity in Open Environments
5th International Workshop on Information Hiding, Lecture Notes in Computer Science (LNCS) 2119, Springer-Verlag, Noordwijkerhout, The Netherlands, October 2002
Download paper -
Unobservable Surfing on the World Wide Web: Is Private Information Retrieval an alternative to the MIX based Approach?
Workshop on Privacy Enhancing Technologies 2002 (PET 2002), San Francisco, CA, USA, Lecture Notes in Computer Science (LNCS) 2482, Springer-Verlag, April 2002
Download paper - D. el Diehn I. Abou-Tair
ECS-Conceptualization and Realization of Profile based Cross-Medial Events Calendar System.
Master's thesis -Diplomarbeit-, Universitaet Dortmund, Fachbereich Informatik, July 2002.
2001
-
Personal Information Management and Distribution
The Fourth International Conference on Electronic Commerce Research (ICECR-4) Dallas, TX, USA, November 2001
Download paper -
How to go Shopping on the World Wide Web without having your Privacy Violated
The Fourth International Conference on Electronic Commerce Research (ICECR-4) Dallas, TX, USA, November 2001 -
Privacy in E-Commerce
International Conference on Multimedia Internet, Video Technologies (MIV'01),World Scientific and Engineering Society (WSES), IEEE, RA, September 2-6 2001, Malta
Download paper -
Evaluation of Anonymity Providing Techniques using Queuning Theory
The 26th Annual IEEE Conference on Local Computer Networks (LCN 2001), Tampa, Florida, November 2001
Download paper -
Anonymous Surfing on the World Wide Web (in German)
Verlässliche IT-Systeme 2001 (VIS 2001), Vieweg Verlag, Wiesbaden, Germany, 2001
Download paper -
Anonymity and unobservability (in German)
it - Information Technology, Nr. 43/5, 2001
Download paper -
System, Method, and Business Methods for Enforcing Privacy Preferences on Personal-Data Exchanges Across a Network[Patent]
September 2001 (IBM MyPrivacy Group) -
Using an Object Model to Improve Handling of Personally Identifiable Information[Patent]
June 2001 (IBM Enterprise Privacy Architecture (EPA) Group) -
Using a Rules Model to Improve Handling of Personally Identifiable Information[Patent]
June 2001 (IBM Enterprise Privacy Architecture (EPA) Group) -
Dragon Slayer SWORD - Secure WAN Object Request Distribution.
Interne Berichte, Universitaet Dortmund, Fachbereich Informatik, March 2001.
2000
-
Overview and Evaluation of VPN Solutions (in German)
7th Workshop on 'Sicherheit in vernetzten Systemen', DFN-CERT, Hamburg, Germany, March 2000
1999
-
Privacy in Internet:Confidential communication in Open Environments (in German) [monography]
Verlag Vieweg, 1999, ISBN 3-528-05731-9 -
Classification of Anonymization Techniques (in German)
Sicherheitsinfrastrukturen 1999 (SiS 1999), Vieweg Verlag, DuD-Fachbeiträge, 1999
Download paper -
Strategies for Minimizing the Average Cost of Paging on the Air Interface
Kommunikation in Verteilten Systemen 1999 (KiVS'99), Darmstadt, Springer-Verlag, March 1999
Download paper -
Transaction-based Anomaly Detection
1st USENIX Workshop on Intrusion Detection and Network Monitoring , Santa Clara, California, USA, April 1999
Download paper -
Active Intrusion Detection - An Approach To Dynamic Risk Management
Proceedings of NORDSEC'99, Kista Science Park, Sweden, November 1999 -
Privacy Enhanced Intrusion Detection, in: Multilateral Security in Communications
Addison-Wesley, 1999
Download paper -
Stop-And-Go-MIXes Providing Pro-babilistic Anonymity in an Open System: Multilateral Security in Communications
Addison-Wesley, 1999
1998
-
Intrusion Detection and User Privacy - A Natural Contradiction?
International Symposium on Recent Advances in intrusion Detection 1998 (RAID 98), Louvain-la-Neuve, Belgium, September 1998 -
Distributed Temporary Pseudonyms: A New Approach for Protecting Location Information in Mobile Communication Networks
European Symposium on Research in Computer Science 1998 (ESORICS'98 ), Louvain-la-Neuve, Belgium, Lecture Notes in Computer Science (LNCS) 1485, Springer-Verlag, 1998
Download paper -
How to Increase Security in Mobile Networks by Anomaly Detection
Proceedings of the 14th Annual Computer Security Applications Conference, ACM Special Interest Group on Security, Audit and Control, Phoenix, Arizona, USA, 1998
Download paper -
Stop-And-Go-MIXes Providing Probabilistic Anonymity in an Open System
Proceedings of the Second Workshop on Information Hiding (IHW98), Portland, Oregon, USA, Lecture Notes in Computer Science (LNCS) 1525, Springer-Verlag, 1998
Download paper -
Simulative Performance Evaluation of the Temporary Pseudonym Method for Protecting Location Information in GSM Networks
Computer Performance Evaluation - Modelling Techniques and Tools, Lecture Notes in Computer Science (LNCS) 1469, Springer-Verlag, 1998
Download paper
1997
-
Minimizing the Average Cost of Paging on the Air Interface - An Approach Considering Privacy
IEEE 47th Annual International Vehicular Technology Conference (VTC 97), Phoenix, Arizona, May 1997
Download paper -
Mobile communication Without Movement Profiles (in German) in: Multilateral Security in Communications
Addison-Wesley, 1997 -
Security Functions in Telecommunications: Placement & Achievable Security: Multilateral Security in Communications
Addison-Wesley, 1997
Download paper
1996
-
Location Management Strategies increasing Privacy in Mobile Communication Systems
12th International Information Security Conference (IFIP SEC '96), Information Systems Security: Facing the Information Society of the 21st Century, Samos, Greece, Chapman & Hall, May 1996
Download paper -
Mobile User Profile Generation - A Challenge between Performance and Security
Proc. of the IFIP TC 6 International Workshop on Personal Wireless Communications, December 1996
Download paper -
Variable and Scaleable Security Protection of Location Information in Mobile-IP
IEEE VTS, 46th Vehicular Technology Conference (VTC 96), Atlanta, GA, April 1996
Download paper -
Analysis of Security and Privacy in Mobile-IP
Fourth International Conference on Telecommunication Systems 96, Modelling and Analysis, Nashville, TN, March 1996 -
Secure Location Management in UMTS, Communications and Multimedia Security
Proceedings of the IFIP TC6/TC11 International Conference on Communications and Multimedia Security at Essen, Germany, Chapman & Hall, September 1996
Download paper -
Mobile Communication without mobile user profile generation (in German)
it-Information Technology 4/96, Nr. 38/4, 1996 -
Personal Reachability and Security Management (in German)
PIK 4/95, Nr. 18/3
Download paper
1995
-
Secure Location Information Management in Cellular Radio Systems
IEEE Wireless Communication Systems Symposium WCSS´95 'Wireless Trends in 21st Century', NY, USA, November 1995
Download paper -
Security in GSM-Networks
Proc. of the IFIP TC 6 International Workshop on Personal Wireless Communications 1995 (PWC 95), Prag 1995
Download paper -
Architectural Considerations Increasing Privacy in Mobile Communication Systems (short presentation)
Proceedings of the IFIP TC6/TC11 and Austrian Computer Society joint working Conference on Communications and Multimedia Security, Graz, Austria, September 1995 -
Security and Privacy in Public Radio Networks
Scientific Magazine TU-Dresden, 44, Nr. 6, 1995 (revised Version of [32])
Download paper

