Presentations
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- 13-09-2011: "Reducing normative conflicts in information security", New Security Paradigms Workshop, Marshall, CA
- 19-05-2011: "Het moet gewoon niet kunnen: Security in de cloud", Centre 4 Cloud, Enschede
- 06-04-2011: “Informational precaution”, Research Group on Law Science Technology & Society, Vrije Universiteit Brussel
- 29-03-2011: "VISPER: The VIrtual Security PERimeter", Deutsche Telekom Labs, TU Berlin
- 10-03-2011: "Toekomst van identity in the cloud", closing keynote, Identity in the Cloud 2011, Rotterdam
- 23-02-2011: "The privacy delusion: Why humans really matter in information security", Human Centred Systems Group, University College London
- 17-02-2011: "Humans and information security: e-voting, the cloud, and actor-networks", Information Security Group, Royal Holloway, University of London
- 11-02-2011: "The service services: from product impact to service impact", invitation-only workshop on New ethical responsibilities of Internet Service Providers, University of Hertfordshire
- 16-12-2010: "Anonymity and verifiability in voting: understanding (un)linkability", Twelfth International Conference on Information and Communications Security (ICICS 2010), Barcelona
- 08-10-2010: "Informational precaution", 2nd Annual Dutch Conference on Practical Philosophy, Groningen
- 05-10-2010: "Informational precaution", European Conference on Computing and Philosophy (ECAP10), München
- 08-07-2010: "Security in the Cloud: huidige en toekomstige oplossingen", invited presentation, Telecom society, Rotterdam
- 25-03-2010: "Security in the Cloud: huidige en toekomstige oplossingen", Het Infrastructuur Congres, with Roel Wieringa
- 15-02-2010: "Cloud security and informational precaution", invited colloquium, Institute for Computing and Information Sciences, Radboud University Nijmegen
- 07-09-2009: "Combatting electoral traces: the Dutch tempest discussion and beyond", Vote-ID 2009, Luxemburg
- 15-07-2009: "Data is key: introducing the data-based access control paradigm", DBSec'09, Montreal
- 08-07-2009: "Converging technologies and de-perimeterisation: towards risky active insulation", SPT conference, Enschede
- 11-06-2009: "The virtual security perimeter", TNO ICT, Groningen
- 05-06-2009: "Verifiability of e-voting: between confidence and trust", invited talk, Swiss E-voting Workshop, Murten
- 16-01-2009: "Acceptance of voting technology: between confidence and trust", invited panel presentation, CPDP conference, Brussels
- 18-12-2008: "Acceptance of voting technology: between confidence and trust", ISTRICE seminar, University of Twente
- 11-06-2008: "La volonté machinale: understanding the electronic voting controversy", invited colloquium, Tilburg Institute for Law, Technology and Society, Tilburg University
- 20-03-2008: "La volonté machinale: understanding the electronic voting controversy", invited colloquium, Center for Philosophy of Technology and Engineering Science, University of Twente
- 21-01-2008: "La volonté machinale: understanding the electronic voting controversy", PhD defence, Radboud University Nijmegen
- 14-12-2007: "De monsterlijke trekjes van de stemcomputer", invited lecture at the TIASNimbas business school master ceremony for information security masters
- 10-10-2007: "Vulnerabilities as monsters", joint congress of the Dutch societies for information security professionals
- 22-05-2007: Presentation "Ballot as controversial as voting computer", Bessensap, an
event for scientists and press
- 03-04-2007: "Risk assessment of e-voting in the UK and the Netherlands", SAFE-NL workshop on Security Issues in e-Government, Free University of Amsterdam
- 07-11-2006: "Communication about Security of Communication: the e-Voting Debate in the Netherlands", Centre for Computing and Social Responsibility, De Montfort University
- 31-10-2006: "Communication about Security of Communication: the e-Voting Debate in the Netherlands", Centre for Software Reliability, University of Newcastle
- 25-10-2006: "Communication about Security of Communication: the e-Voting Debate in the Netherlands", Department of Media and Communication, University of Leicester
- 14-07-2006: "Internet voting: a conceptual challenge to
democracy", IFIP WG 8.2 Conference, Limerick, Ireland
- 29-06-2006: "Internet voting: a monstrous alliance between
democracy and technology?", Conference on
Cultural Attitudes towards Technology and Communication
(CATaC'06), Tartu, Estonia
- 24-06-2006: "Vulnerabilities as monsters: the cultural foundations
of computer security", European Computing and Philosophy Conference (E-CAP 2006),
Trondheim, Norway
- 19-05-2006: "Acceptance of voting technology: between confidence and trust", 4th International Conference on Trust Management (iTrust 2006), Pisa, Italy
- 07-03-2006: "Hoe open je een elektronische stembus? Controleerbaarheid bij Internetverkiezingen", KIvI netwerkcafé, Arnhem
- 27-02-2006: "What proof do we prefer? Variants of verifiability in voting", Workshop on Electronic Voting and e-Government in the UK, Edinburgh
- 12-12-2005: "Acceptance of voting technology: between confidence and trust", colloquium Institute for Computing and Information Sciences, Radboud University Nijmegen
- 22-11-2005: "Internet voting: a conceptual challenge to democracy", IPA Fall Days, Zwartsluis
- 29-09-2005: "Internetverkiezingen: nieuwe kaders voor democratie", guest lecture, "Kaders en beelden" course, Radboud University Nijmegen
- 23-09-2005: "Internetverkiezingen: nieuwe kaders voor democratie", workshop Technologie en Ethiek, Dag van de Onderzoekschool, Onderzoekschool Ethiek (OZSE), Utrecht
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19-07-2005: "Ethics of e-voting", CEPE 2005 conference, University of Twente, Enschede, with Marcel Becker
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28-05-2004: "Confidentiality through abstract interpretation", Safe-NL PhD meeting, University of Twente, Enschede