Fetzer, Valerie; ADAVOUDI JOLFAEI, Amirhossein; Rupp, Andy; Schiffner, Stefan;,Differential Privacy to the Rescue? On Obfuscating Tolls in Privacy-Preserving ETC Systems, 2025

Hoepman, Jaap-Henk; Jensen, Meiko; Porcedda, Maria Grazia; Schiffner, Stefan; Ziegler, Sébastien;,Privacy Symposium 2024: Data Protection Law International Convergence and Compliance with Innovative Technologies (DPLICIT), 2025,Springer

Hoepman, Jaap-Henk; Jensen, Meiko; Porcedda, Maria Grazia; Schiffner, Stefan; Ziegler, Sébastien;,Privacy Symposium 2024,

Ikonomou, Demosthenes; Schiffner, Stefan; Serna, Jetzabel; Rannenberg, Kai;,"Privacy Technologies and Policy: 4th Annual Privacy Forum, APF 2016, Frankfurt/Main, Germany, September 7-8, 2016, Proceedings", 2016,Springer

Graßhoff, Henrik; Schiffner, Stefan;,Zur Evaluation der digitalen Kontaktverfolgung: ein Debattenbeitrag,Data Sharing–Datenkapitalismus by Default?, 287-300,2024,Nomos Verlagsgesellschaft mbH & Co. KG

Berendt, Bettina; Schiffner, Stefan;,Whistleblower protection in the digital age-why,International Review of Information Ethics,31, 2022,International Center for Information Ethics

Schiffner, Stefan; Ziegler, Sébastien; Jensen, Meiko;,Privacy Symposium 2022, Cham: Springer

Friedewald, Michael; Krenn, Stephan; Schiffner, Stefan;,Preface. Privacy and Identity Management,International Summer School on Privacy and Identity Management 2020, 2021

Friedewald, Michael; Krenn, Stephan; Schiering, Ina; Schiffner, Stefan;,Preface. Privacy and Identity Management. Between Data Protection and Security, 2022

Hill, Leonard; Schimanke, Florian; Schiffner, Stefan; Mertens, Robert;,Compromising insecure crypto implementations: A deep-learning based cryptosystem-agnostic testing framework,"2024 International Conference on Artificial Intelligence, Computer, Data Sciences and Applications (ACDSA)", 1-6,2024,IEEE

SCHMITZ, Sandra; SCHIFFNER, Stefan;,Don’t Put the Cart Before the Horse–Effective Incident Handling Under GDPR and NIS Directive,15th IFIP International Summer School on Privacy and Identity Management, 2021,"Springer, Cham, Unknown/unspecified"

Adavoudi Jolfaei, Amirhossein; Rupp, Andy; Schiffner, Stefan; Engel, Thomas;,Why Privacy-Preserving Protocols Are Sometimes Not Enough: A Case Study of the Brisbane Toll Collection Infrastructure,Proceedings on Privacy Enhancing Technologies,2024,1, 2024,Privacy Enhancing Technologies Symposium Advisory Board

Graßhoff, Henrik; Adamsky, Florian; Schiffner, Stefan;,Smartphones in a Microwave: Formal and Experimental Feasibility Study on Fingerprinting the Corona-Warn-App,"Proceedings of the 18th International Conference on Availability, Reliability and Security", 1-7,2023

Clauß, Sebastian; Kesdogan, Dogan; Kölsch, Tobias; Pimenidis, Lexi; Schiffner, Stefan; Steinbrecher, Sandra;,Privacy enhancing identity management: protection against re-identification and profiling.,Digital Identity Management, 84-93,2005

Jolfaei, Amirhossein Adavoudi; Boualouache, Abdelwahab; Rupp, Andy; Schiffner, Stefan; Engel, Thomas;,A survey on privacy-preserving electronic toll collection schemes for intelligent transportation systems,IEEE transactions on intelligent transportation systems,24,9,8945-8962,2023,IEEE

Schiffner, Stefan; Ziegler, Sebastien; Rodriguez, Adrian Quesada;,Privacy Symposium 2022: Data Protection Law International Convergence and Compliance with Innovative Technologies (DPLICIT), 2022,Springer

Schmitz, Sandra; Schiffner, Stefan;,When Security Interests Collide-Technical and Legal Implications of Mandatory Access by Public Authorities to Encrypted Data (Wenn Sicherheitsinteressen kollidieren–Technische und rechtliche Implikationen einer verpflichtenden Zugriffsmöglichkeit auf verschlüsselte Daten durch Behörden),University of Luxembourg Law Research Paper, 2021-010, 2021

Friedewald, Michael; Krenn, Stephan; Schiering, Ina; Schiffner, Stefan;,"Privacy and Identity Management. Between Data Protection and Security: 16th IFIP WG 9.2, 9.6/11.7, 11.6/SIG 9.2. 2 International Summer School, Privacy and Identity 2021, Virtual Event, August 16–20, 2021, Revised Selected Papers", 2022,Springer Nature

Berendt, Bettina; Schiffner, Stefan;,Whistleblower protection in the digital age--why'anonymous' is not enough. From technology to a wider view of governance,arXiv preprint arXiv:2111.02825, 2021

Schmitz, Sandra; Schiffner, Stefan;,Responsible vulnerability disclosure under the NIS 2.0 proposal,J. Intell. Prop. Info. Tech. & Elec. Com. L.,12, 448,2021

Tschofenig, Hannes; Volkamer, Melanie; Jentzsch, Nicola; Fischer-Hübner, Simone; Schiffner, Stefan; Tirtea, Rodica;,"On the security, privacy and usability of online seals", 2013

Kumari, Archana; Schiffner, Stefan; Schmitz, Sandra;,SMART: a Technology Readiness Methodology in the Frame of the NIS Directive,arXiv preprint arXiv:2201.00546, 2022

Schmitz, Sandra; Schiffner, Stefan;,Wenn Sicherheitsinteressen kollidieren–Technische und rechtliche Implikationen einer verpflichtenden Zugriffsmöglichkeit auf verschlüsselte Daten durch Behörden, 2021

Hansen, Marita; Hoepman, Jaap-Henk; Jensen, Meiko; Schiffner, Stefan;,"Readiness analysis for the adoption and evolution of privacy enhancing technologies: methodology, pilot assessment, and continuity plan",European Network and Information Security Agency 2015, 2015

Berendt, Bettina; Schiffner, Stefan;,Whistleblower protection in the digital age–why ‘anonymous’ is not enough. Towards an interdisciplinary view of ethical dilemmas,International Review of Information Ethics,31, 2021

SCHMITZ, Sandra; SCHIFFNER, Stefan;,"Ein Schritt vor, zwei Schritte zurück?-Folgen einer verpflichtenden Zugriffsmöglichkeit auf verschlüsselte Daten",978-3-955990-74-9, 2021,"OlWIR, Oldenburg, Germany"

Friedewald, Michael; Van Lieshout, Marc; Rung, Sven;,Privacy and identity management, 2016,Springer

SCHMITZ, Sandra; SCHIFFNER, Stefan;,"“Every Student Can Learn, just not on the same Day”-Data Protection and Cybersecurity Challenges for E-Learning Platforms",BILETA 2021-Taken by surprise:(Re-) constituting the critical in an age of digital and pandemic, 2021

Schmitz-Berndt, Sandra; Schiffner, Stefan;,Don’t Put the Cart Before the Horse–Effective Incident Handling Under GDPR and NIS Directive,IFIP International Summer School on Privacy and Identity Management, 3-17,2020,Springer International Publishing Cham

Schmitz-Berndt, Sandra; Schiffner, Stefan;,Don’t tell them now (or at all)–responsible disclosure of security incidents under NIS Directive and GDPR,"International Review of Law, Computers & Technology",35,2,101-115,2021,Routledge

Adamsky, Florian; Schiffner, Stefan; Engel, Thomas;,Tracking without Traces, 2020

SCHMITZ, Sandra; SCHIFFNER, Stefan;,Don't tell them now (or at all)-End user notification duties under NIS Directive and GDPR,BILETA 2020: Regulating Transitions in Technology and Law, 2020

Domingo-Ferrer, Josep; Hansen, Marit; Hoepman, Jaap-Henk; Le Métayer, Daniel; Tirtea, Rodica; Schiffner, Stefan; Danezis, George;,"European Union, and European Network and Information Security Agency",Privacy and data protection by design-from policy to engineering, 2014,ENISA

Adamsky, Florian; Schiffner, Stefan; Engel, Thomas;,Tracking Without Traces—Fingerprinting in an Era of Individualism and Complexity,Annual Privacy Forum, 201-212,2020,Springer International Publishing Cham

Florida–Gainesville, US; Parkin, Simon; Schiffner, Stefan;,4.2 Theme 2: Unexpected Consequences of Countermeasures,Cybersafety Threats–from Deception to Aggression, 143,

de Oca, Edgardo Montes; Bothos, John MA; Schiffner, Stefan;,Statistical Analysis and Economic Models for Enhancing Cyber-security in SAINT,Challenges in Cybersecurity and Privacy-the European Research Landscape, 55-75,2022,River Publishers

Karadeniz, Oğuz Özgür; Schiffner, Stefan;,Get to Know Your Geek: Towards a Sociological Understanding of Incentives Developing Privacy-Friendly Free and Open Source Software,IFIP International Summer School on Privacy and Identity Management, 177-189,2019,Springer International Publishing Cham

Karadeniz, Oguz Özgür; SCHIFFNER, Stefan;,Get to know your geek: towards a sociological understanding,Data for Better Living: AI and Privacy, 2019

Chua, Yi Ting; Parkin, Simon; Edwards, Matthew; Oliveira, Daniela; Schiffner, Stefan; Tyson, Gareth; Hutchings, Alice;,Identifying Unintended Harms of Cybersecurity Measures,APWG eCrime 2019, 2020,Institute of Electrical and Electronics Engineers

Chua, Yi Ting; Parkin, Simon; Edwards, Matthew; Oliveira, Daniela; Schiffner, Stefan; Tyson, Gareth; Hutchings, Alice;,Identifying unintended harms of cybersecurity countermeasures,2019 APWG Symposium on Electronic Crime Research (eCrime), 1-15,2019,IEEE

Danezis, G; Domingo-Ferrer, J; Hansen, M; Hoepman, JH; Métayer, DL; Tirtea, R; Schiffner, S;,Privacy and data protection by design–from policy to engineering (European Union Agency for Network and Information Security (ENISA)), 2014,ENISA. https://doi. org/10.2824/38623

Aly, Abdelrahaman; Le Metayer, Daniel; Balsa, Ero; Susser, Daniel; Coudert, Fanny; Shirazi, Fateme; Dechesne, Francien; Hoepman, Jaap-Henk; van Hoboken, Joris; Rannenberg, Kai;,IWPE 2019 Organization Workshop Organizers,

Clauß, Sebastian; Kesdogan, Dogan; Kölsch, Tobias; Pimenidis, Lexi; Schiffner, Stefan; Steinbrecher, Sandra;,Privacy enhanced identity management: Design considerations and open problems, 2005,ACM

Kuhn, Christiane; Beck, Martin; Schiffner, Stefan; Jorswieck, Eduard; Strufe, Thorsten;,On privacy notions in anonymous communication,arXiv preprint arXiv:1812.05638, 2018

Schiffner, Stefan; Berendt, Bettina; Siil, Triin; Degeling, Martin; Riemann, Robert; Schaub, Florian; Wuyts, Kim; Attoresi, Massimo; Gürses, Seda; Klabunde, Achim;,Towards a roadmap for privacy technologies and the general data protection regulation: a transatlantic initiative,Annual privacy forum, 24-42,2018,Springer International Publishing Cham

Adamsky, Florian; Retunskaia, Tatiana; Schiffner, Stefan; Köbel, Christian; Engel, Thomas;,WLAN device fingerprinting using channel state information (CSI),Proceedings of the 11th ACM Conference on Security & Privacy in Wireless and Mobile Networks, 277-278,2018

Clauß, Sebastian; Schiffner, Stefan;,Anonymität auf Anwendungsebene,"Sicherheit 2006, Sicherheit–Schutz und Zuverlässigkeit", 171-182,2006,Gesellschaft für Informatik eV

Büscher, Niklas; Schiffner, Stefan; Fischer, Mathias;,Consumer Privacy on Distributed Energy Markets,Annual Privacy Forum, 96-114,2016,Springer International Publishing Cham

Schiffner, Stefan; Serna, Jetzabel; Ikonomou, Demosthenes; Rannenberg, Kai;,Privacy technologies and policy, 2016,Springer International Publishing

Hansen, Marit; Hoepman, Jaap-Henk; Jensen, Meiko; Schiffner, Stefan;,Report on the workshop on assessing the maturity of privacy enhancing technologies,IFIP International Summer School on Privacy and Identity Management, 97-110,2015,Springer International Publishing Cham

Berendt, Bettina; Engel, Thomas; Ikonomou, Demosthenes; Le Métayer, Daniel; Schiffner, Stefan;,"Privacy Technologies and Policy. Third Annual Privacy Forum, APF 2015. Luxembourg, Luxembourg, October 7-8, 2015. Revised Selected Papers",Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics),9484, 2016,Springer

Daubert, Jörg; Fischer, Mathias; Grube, Tim; Schiffner, Stefan; Kikiras, Panayotis; Mühlhäuser, Max;,AnonPubSub: Anonymous publish-subscribe overlays,Computer Communications,76, 42-53,2016,Elsevier

Danezis, George; Domingo-Ferrer, Josep; Hansen, Marit; Hoepman, Jaap-Henk; Metayer, Daniel Le; Tirtea, Rodica; Schiffner, Stefan;,Privacy and data protection by design-from policy to engineering,arXiv preprint arXiv:1501.03726, 2015

Le Métayer, Daniel; Danezis, George; Hansen, Marit; Hoepman, Jaap-Henk; Tirtea, Rodica; Schiffner, Stefan; Domingo-Ferrer, Josep;,Privacy and Data Protection by Design-from policy to engineering, 2014

Tschofenig, Hannes; Volkamer, Melanie; Jentzsch, Nicola; Fischer-Hübner, Simone; Schiffner, Stefan; Tirtea, Rodica;,"On the security, privacy and usability of online seals: An overview", 2013,ENISA

Clauß, Sebastian; Schiffner, Stefan; Steinbrecher, Sandra;,Identitätsmanagement und das Risiko der Re-Identifikation,

Daubert, Jörg; Fischer, Mathias; Schiffner, Stefan; Mühlhäuser, Max;,Distributed and anonymous publish-subscribe,International Conference on Network and System Security, 685-691,2013,"Springer Berlin Heidelberg Berlin, Heidelberg"

Clauß, Sebastian; Schiffner, Stefan; Kerschbaum, Florian;,K-anonymous reputation,"Proceedings of the 8th ACM SIGSAC symposium on Information, computer and communications security", 359-368,2013

Schiffner, Stefan;,Design and Modeling of Privacy-Friendly Reputation, 2012,KU Leuven

Clauß, Sebastian; Schiffner, Stefan; Steinbrecher, Sandra; Kesdogan, Dogan; Kölsch, Tobias; Pimenidis, Lexi;,Identitätsmanagement und das Risiko der Re-Identifikation,"Sicherheit 2006, Sicherheit–Schutz und Zuverlässigkeit", 188-191,2006,Gesellschaft für Informatik eV

Schiffner, Stefan;,Another Blog: The AEOLUS Prototype Implementation Details, 2007

Schiffner, Stefan; Pashalidis, Andreas; Tischhauser, Elmar;,On the limits of privacy in reputation systems,Proceedings of the 10th annual ACM workshop on Privacy in the electronic society, 33-42,2011

Steinbrecher, Sandra; Schiffner, Stefan;,Interoperability of Trust and Reputation Tools,Privacy and Identity Management for Life, 145-155,2011,"Springer Berlin Heidelberg Berlin, Heidelberg"

Pashalidis, Andreas; Schiffner, Stefan;,Evaluating adversarial partitions,European Symposium on Research in Computer Security, 524-539,2010,"Springer Berlin Heidelberg Berlin, Heidelberg"

Troncoso, Carmela; Costa-Montenegro, Enrique; Diaz, Claudia; Schiffner, Stefan;,On the difficulty of achieving anonymity for Vehicle-2-X communication,Computer Networks, 2011,Elsevier

Schiffner, Stefan; Kohlweiss, Markulf;,Privacy friendly sybilguard,2nd Benelux Workshop on Information and System Security (WISSec 2007), 2007

Schiffner, Stefan; Clauß, Sebastian; Steinbrecher, Sandra;,Fairness and Information-theoretic Privacy for Reputation,Lecture Notes in Computer Science, 2011

Schiffner, Stefan; Clauß, Sebastian;,Using linkability information to attack mix-based anonymity services,International Symposium on Privacy Enhancing Technologies Symposium, 94-107,2009,"Springer Berlin Heidelberg Berlin, Heidelberg"

Danezis, George; Schiffner, Stefan;,"On Network formation,(Sybil attacks and Reputation systems)",DIMACS Workshop on Information Security Economics, 18-19,2006

Schiffner, Stefan; Clauß, Sebastian; Steinbrecher, Sandra;,Privacy and liveliness for reputation systems,European Public Key Infrastructure Workshop, 209-224,2009,"Springer Berlin Heidelberg Berlin, Heidelberg"

Clauß, Sebastian; Schiffner, Stefan;,Structuring anonymity metrics,Proceedings of the second ACM workshop on Digital identity management, 55-62,2006