publications

publications by categories in reversed chronological order. generated by jekyll-scholar.

2025

  1. Actions Speak Louder Than Words: Evidence-Based Trust Level Evaluation in Multi-Agent Systems
    Nikolaos Fotos, Koffi Ismael Ouattara, Dimitrios S. Karas, Ioannis Krontiris, Weizhi Meng, and Thanassis Giannetsos
    In Proceedings of the 27th International Conference on Information and Communications Security (ICICS 2025), Nanjing, China, Oct 2025
    (to appear)
  2. Assessing AI Training Dataset Trustworthiness - A Use Case on Bias
    Koffi Ismael Ouattara, Ioannis Krontiris, Theo Dimitrakos, and Frank Kargl
    In Proceedings of the 5nd Workshop on Fairness and Bias in AI co-located with European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML PKDD), Porto, Portugal, Sep 2025
    (to appear)
  3. Quantifying Calibration Error in Neural Networks through Evidence-Based Theory
    Koffi Ismael Ouattara, Ioannis Krontiris, Theo Dimitrakos, and Frank Kargl
    In Proceedings of the 28th International Conference on Information Fusion (FUSION 2025), Rio de Janeiro, Brazil, Jul 2025
    (to appear)
  4. An Optimized Framework for DSPG Synthesis and Trust Network Analysis with Subjective Logic
    Koffi Ismael Ouattara, Ana Petrovska, Ioannis Krontiris, Theo Dimitrakos, and Frank Kargl
    In Proceedings of the 9th International Joint Conference on Rules and Reasoning (RuleML+RR 2025), Istanbul, Turkey, Sep 2025
    (to appear)

2024

  1. Privacy Protection of Automated and Self-Driving Vehicles (Dagstuhl Seminar 23242)
    Frank Kargl, Ioannis Krontiris, Jason Millar, André Weimerskirch, and Kevin Gomez
    Dagstuhl Reports, Sep 2024
    HTML PDF
  2. Interplay between Privacy and Trust
    Thanassis Giannetsos, Frank Kargl, Ioannis Krontiris, Francesca Bassi, and Anje Gering
    In Privacy Protection of Automated and Self‑Driving Vehicles (Dagstuhl Seminar 23242), Sep 2024
  3. Creating Trust in Connected and Automated Vehicles
    5G Automotive Association (5GAA)
    May 2024
    HTML PDF

2023

  1. Achieving Higher Level of Assurance in Privacy Preserving Identity Wallets
    B. Larsen, N. El Kassem, T. Giannetsos, I. Krontiris, S. Vasileiadis, and L. Chen
    In 2023 IEEE 22nd International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom), Nov 2023
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  2. Trust Level Evaluation Engine for Dynamic Trust Assessment with Reference to Subjective Logic
    A. Petrovska, G. Gelardi, H. Demirci, E. Kocyigit, G. Lenzini, A. Hermann, N. Trkulja, F. Kargl, I. Krontiris, and Th. Dimitrakos
    In 14th IFIP International Conference on Trust Management (IFIPTM 2023), Amsterdam, The Netherlands, Oct 2023
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  3. Comparative Evaluation of PKI and DAA-based Architectures for V2X Communication Security
    Anna Angelogianni, Ioannis Krontiris, and Thanassis Giannetsos
    In 2023 IEEE Vehicular Networking Conference (VNC), Oct 2023
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  4. A shared responsibility model to support cross border and cross organizational federation on top of decentralized and self-sovereign identity: Architecture and first PoC
    Michael Kubach, Isaac Henderson, Alangot Bithin, Theo Dimitrakos, Juan Vargas, Matthias Winterstetter, and Ioannis Krontiris
    In Open Identity Summit 2023, Oct 2023
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2022

  1. Privacy Protection of Automated and Self-Driving Vehicles (Dagstuhl Seminar 22042)
    Frank Kargl, Ioannis Krontiris, André Weimerskirch, Ian Williams, and Nataša Trkulja
    Dagstuhl Reports, Oct 2022
    HTML PDF

2021

  1. Direct anonymous attestation on the road: efficient and privacy-preserving revocation in C-ITS
    Benjamin Larsen, Thanassis Giannetsos, Ioannis Krontiris, and Kenneth Goldman
    In Proceedings of the 14th ACM Conference on Security and Privacy in Wireless and Mobile Networks, Abu Dhabi, United Arab Emirates, Oct 2021
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  2. BLINDTRUST: Oblivious Remote Attestation for Secure Service Function Chains
    Heini Bergsson Debes, Thanassis Giannetsos, and Ioannis Krontiris
    Oct 2021

2020

  1. Buckle-up: autonomous vehicles could face privacy bumps in the road ahead
    Ioannis Krontiris, Thanassis Giannetsos, Peter Schoo, and Frank Kargl
    In 18th ESCAR Europe : The World’s Leading Automotive Cyber Security Conference, Nov 2020
    HTML PDF
  2. Enabling Trusted Digital Identities - From Connected Citizens to Connected Objects
    Ioannis Krontiris
    In Proceedings of the 2nd Workshop on Cyber-Security Arms Race, Virtual Event, USA, Nov 2020
  3. Privacy by Design Aspects of C-V2X
    5GAA White Paper (editor)
    Nov 2020
    HTML PDF
  4. Autonomous Vehicles: Data Protection and Ethical Considerations
    Ioannis Krontiris, Kalliroi Grammenou, Kalliopi Terzidou, Marina Zacharopoulou, Marina Tsikintikou, Foteini Baladima, Chrysi Sakellari, and Konstantinos Kaouras
    In Computer Science in Cars Symposium, Dec 2020
  5. Covid-19 & Digital Rights in Greece
    E. Chelioudakis, E. Vamvaka, I. Krontiris, A. Logotheti, K. Kakavoulis, K. Terzidou, M. Baka, and M. Zacharopoulou
    Apr 2020

2019

  1. Securing V2X Communications for the Future: Can PKI Systems offer the answer?
    Thanassis Giannetsos, and Ioannis Krontiris
    In Proceedings of the 14th International Conference on Availability, Reliability and Security, Canterbury, CA, United Kingdom, Apr 2019

2017

  1. Privacy-respecting auctions and rewarding mechanisms in mobile crowd-sensing applications
    Tassos Dimitriou, and Ioannis Krontiris
    Journal of Network and Computer Applications, Apr 2017

2015

  1. Privacy-ABCs as a Case for Studying the Adoption of PETs by Users and Service Providers
    Ioannis Krontiris, Zinaida Benenson, Anna Girard, Ahmad Sabouri, Kai Rannenberg, and Peter Schoo
    In Annual Privacy Forum, Apr 2015
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  2. Privacy-Respecting Auctions as Incentive Mechanisms in Mobile Crowd Sensing
    Tassos Dimitriou, and Ioannis Krontiris
    In Information Security Theory and Practice, Heraklion, Crete, Apr 2015
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  3. A platform for privacy protection of data requesters and data providers in mobile sensing
    Ioannis Krontiris, and Tassos Dimitriou
    Computer Communications, Apr 2015
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  4. Privacy-ABC Usage Scenarios
    Joerg Abendroth, Marit Hansen, Ioannis Krontiris, Ahmad Sabouri, Eva Schlehahn, Robert Seidl, and Harald Zwingelberg
    In Attribute-based Credentials for Trust, Apr 2015
  5. Course evaluation in higher education: the Patras pilot of ABC4Trust
    Yannis Stamatiou, Zinaida Benenson, Anna Girard, Ioannis Krontiris, Vasiliki Liagkou, Apostolos Pyrgelis, and Welderufael Tesfay
    In Attribute-based Credentials for Trust, Apr 2015
  6. An Architecture for Privacy-ABCs
    Patrik Bichsel, Jan Camenisch, Maria Dubovitskaya, Robert R Enderlein, Stephan Krenn, Ioannis Krontiris, Anja Lehmann, Gregory Neven, Christian Paquin, Franz-Stefan Preiss, and  others
    In Attribute-based Credentials for Trust, Apr 2015
  7. Architecture for Attribute-based Credential Technologies-Final Version. Deliverable D2.2, The ABC4Trust EU Project, 2014
    Patrik Bichsel, Jan Camenisch, Maria Dubovitskaya, Robert R Enderlein, Stephan Krenn, Ioannis Krontiris, Anja Lehmann, and Gregory Neven
    Apr 2015
  8. User acceptance factors for anonymous credentials: an empirical investigation
    Zinaida Benenson, Anna Girard, and Ioannis Krontiris
    In Workshop on the Economics of Information Security (WEIS), Apr 2015
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2014

  1. User acceptance of Privacy-ABCs: an exploratory study
    Zinaida Benenson, Anna Girard, Ioannis Krontiris, Vassia Liagkou, Kai Rannenberg, and Yannis Stamatiou
    In International Conference on Human Aspects of Information Security, Privacy, and Trust, Apr 2014
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  2. Towards a Framework for Benchmarking Privacy-ABC Technologies
    Fatbardh Veseli, Tsvetoslava Vateva-Gurova, Ioannis Krontiris, Kai Rannenberg, and Neeraj Suri
    In Proceedings of the 29th IFIP TC-11 SEC 2014 International Conference ICT Systems Security and Privacy Protection (SEC 2014), Apr 2014
  3. Trust and privacy in mobile experience sharing: future challenges and avenues for research
    Ioannis Krontiris, Marc Langheinrich, and Katie Shilton
    IEEE Communications Magazine, Apr 2014
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  4. Trust relationships in privacy-ABCs’ ecosystems
    Ahmad Sabouri, Ioannis Krontiris, and Kai Rannenberg
    In International Conference on Trust, Privacy and Security in Digital Business, Apr 2014
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2013

  1. ’My Life, Shared’ - Trust and Privacy in the Age of Ubiquitous Experience Sharing (Dagstuhl Seminar 13312)
    Alessandro Acquisti, Ioannis Krontiris, Marc Langheinrich, and Martina Angela Sasse
    Dagstuhl Reports, Apr 2013
    HTML PDF
  2. Privacy-respecting discovery of data providers in crowd-sensing applications
    Ioannis Krontiris, and Tassos Dimitriou
    In Proceeding of the 9th IEEE International Conference on Distributed Computing in Sensor Systems (IEEE DCOSS), Apr 2013
  3. Online Privacy - Towards Informational Self-Determination on the Internet
    Simone Fischer-Hübner, Chris Jay Hoofnagle, Ioannis Krontiris, Kai Rannenberg, Michael Waidner, and Caspar Bowden
    In Digital Enlightenment Yearbook 2013: The Value of Personal Data, Apr 2013
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  4. Coupons as Monetary Incentives in Participatory Sensing
    Andreas Albers, Ioannis Krontiris, Noboru Sonehara, and Isao Echizen
    In Proceedings of the 12th IFIP Conference on e-Business, e-Services, e-Society (I3E 2013), Apr 2013
    HTML PDF
  5. Understanding and Using Anonymous Credentials
    Z. Benenson, I. Krontiris, K. Rannenberg, D. Schröder, A. Schopf, Y. Stamatiou, and V. Liagkou
    In Proceedings of the 9th Symposium On Usable Privacy and Security (SOUPS 2013), Jul 2013

2012

  1. Security and Privacy in Mobile Information and Communication Systems - 4th International Conference, MobiSec 2012, Frankfurt am Main, Germany, June 25-26, 2012, Revised Selected Papers
    Jul 2012
  2. Integrating Anonymous Credentials with eIDs for Privacy-respecting Online Authentication
    R. Bjones, I. Krontiris, P. Paillier, and K. Rannenberg
    In Proceedings of the Annual Privacy Forum (APF 2012), Oct 2012
    HTML PDF
  3. Privacy-by-Design Based on Quantitative Threat Modeling
    J. Luna, N. Suri, and I. Krontiris
    In Proceedings of the 7th International Conference on Risks and Security of Internet and Systems (CRiSIS 2012), Oct 2012
    HTML PDF
  4. Monetary Incentives in Participatory Sensing using Multi-Attributive Auctions
    Ioannis Krontiris, and Andreas Albers
    International Journal of Parallel, Emergent and Distributed Systems, Jun 2012
    HTML PDF
  5. PEPPeR: A querier’s Privacy Enhancing Protocol for PaRticipatory sensing
    T. Dimitriou, I. Krontiris, and A. Sabouri
    In Proceedings of the 4th International Conference on Security and Privacy in Mobile Information and Communication Systems (MobiSec 2012), Jun 2012
    HTML PDF
  6. Attribute-based Credentials for Trust (ABC4Trust)
    A. Sabouri, I. Krontiris, and K. Rannenberg
    In Proceedings of the 9th International Conference on Trust, Privacy & Security in Digital Business (TrustBus 2012), Sep 2012
  7. A Privacy Policy Framework for the INDI ecosystem
    Seda Gürses, Ioannis Krontiris, Ahmad Sabouri, Andreas Pashalidis, Shuzhe Yang, and Berd Zwattendorfer
    Mar 2012
  8. ABC4Trust Architecture for Developers
    Jan Camenisch, Ioannis Krontiris, Anja Lehmann, Gregory Neven, Christian Paquin, Kai Rannenberg, and Harald Zwingelberg
    Dec 2012

2011

  1. Architecture for Attribute-based Credential Technologies – Version 1
    Jan Camenisch, Ioannis Krontiris, Anja Lehmann, Gregory Neven, Christian Paquin, Kai Rannenberg, and Harald Zwingelberg
    Dec 2011
  2. Online Privacy: Towards Informational Self-Determination on the Internet
    Simone Fischer-Hübner, Chris Hoofnagle, Ioannis Krontiris, Kai Rannenberg, and Michael Waidner
    Informatik Spektrum, Oct 2011
  3. Online Privacy: Towards Informational Self-Determination on the Internet (Dagstuhl Perspectives Workshop 11061)
    Simone Fischer-Hübner, Chris Hoofnagle, Kai Rannenberg, Michael Waidner, Ioannis Krontiris, and Michael Marhöfer
    Dagstuhl Reports, Oct 2011
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  4. Legal Provisions for Deploying INDI Services
    B. Van Alsenoy, N. Vandezande, K. Janssen, A. Kuczerawy, E. Kindt, J. Dumortier, H. Leitold, B. Zwattendorfer, and I. Krontiris
    Oct 2011
  5. Towards Privacy-enhanced Mobile Communities - Architecture, Concepts and User Trials
    M. Tschersich, C. Kahl, S. Heim, S. Crane, K. Böttcher, I. Krontiris, and K. Rannenberg
    The Journal of Systems & Software, Oct 2011
  6. Participatory Sensing: The Tension between Social Translucence and Privacy
    I. Krontiris, and N. Maisonneuve
    In Trustworty Internet, Oct 2011
  7. eID Interoperability
    I. Krontiris, H. Leitold, R. Posch, and K. Rannenberg
    In Handbook of eID Security - Concepts, Practical Experiences, Technologies, Oct 2011
  8. Scatter - Secure Code Authentication for Efficient Reprogramming in Wireless Sensor Networks
    Ioannis Krontiris, and Tassos Dimitriou
    International Journal of Sensor Networks (IJSNet), Special Issue on Technologies, Architectures and Applications for Green Wireless Sensor Networks, Oct 2011

2010

  1. Location Privacy in Urban Sensing Networks: Research Challenges and Directions
    Ioannis Krontiris, Felix C. Freiling, and Tassos Dimitriou
    IEEE Wireless Communications Magazine, Oct 2010
  2. W3C Geolocation API calls for Better User Privacy Protection
    I. Krontiris, A. Albers, and K. Rannenberg
    In Proceeding of the W3C Workshop on Privacy for Advanced Web APIs, London, GB, Jul 2010
  3. Integrating People-centric Sensing with Social Networks: A Privacy Research Agenda
    Ioannis Krontiris, and Felix C. Freiling
    In Proceeding of the IEEE International Workshop on Security and Social Networking (SeSoc), Mannheim, Germany, Mar 2010
  4. Towards Open-world Urban Sensing Applications
    Ioannis Krontiris
    In Pervasive 2010 Conference Workshop on What can the Internet of Things do for the citizen? (CIoT 2010), Helsinki, Finland, May 2010
  5. Urban Sensing through Social Networks: The Tension between Participation and Privacy
    Ioannis Krontiris, and Felix C. Freiling
    In Proceeding of the International Tyrrhenian Workshop on Digital Communications (ITWDC), Island of Ponza, Italy, Sep 2010
  6. Arbitrary Code Injection through Self-propagating Worms in Von Neumann Architecture Devices
    Thanassis Giannetsos, Tassos Dimitriou, Ioannis Krontiris, and Neeli R. Prasad
    The Computer Journal, Special Issue on Algorithms, Protocols, and Future Applications of Wireless Sensor Networks, Dec 2010

2008

  1. Intrusion Prevention and Detection in Wireless Sensor Networks
    Ioannis Krontiris
    University of Mannheim, Dec 2008
    PhD thesis
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2003

  1. Secure and Efficient Data Delivery in Sensor Networks
    Ioannis Krontiris, and Fotios Nikakis
    Carnegie Mellon University, Dec 2003
    Master’s thesis