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Trustworthy People-Centric Sensing: Privacy, Security and User Incentives Road-Map
KTH, School of Electrical Engineering (EES), Communication Networks. (Networked Systems Security Group)
KTH, School of Electrical Engineering (EES), Communication Networks. (Networked Systems Security Group)ORCID iD: 0000-0003-2624-7522
KTH, School of Electrical Engineering (EES), Communication Networks. (Networked Systems Security Group)
2014 (English)In: 2014 13th Annual Mediterranean Ad Hoc Networking Workshop, MED-HOC-NET 2014, IEEE Computer Society, 2014, 39-46 p.Conference paper (Refereed)
Abstract [en]

The broad capabilities of widespread mobile devices have paved the way for People-Centric Sensing (PCS). This emerging paradigm enables direct user involvement in possibly large-scale and diverse data collection and sharing. Unavoidably, this raises significant privacy concerns, as participants may inadvertently reveal a great deal of sensitive information. However, ensuring user privacy, e.g., by anonymizing data they contribute, may cloak faulty (possibly malicious) actions. Thus, PCS systems must not only be privacy-preserving but also accountable and reliable. As an increasing number of applications (e.g., assistive healthcare and public safety systems) can significantly benefit from people-centric sensing, it becomes imperative to meet these seemingly contradicting requirements. In this work, we discuss security, user privacy and incentivization for this sensing paradigm, exploring how to address all aspects of this multifaceted problem. We critically survey the security and privacy properties of state-of-the-art research efforts in the area. Based on our findings, we posit open issues and challenges, and discuss possible ways to address them, so that security and privacy do not hinder the deployment of PCS systems.

Place, publisher, year, edition, pages
IEEE Computer Society, 2014. 39-46 p.
Keyword [en]
Challenges, Networks
National Category
Communication Systems
URN: urn:nbn:se:kth:diva-158458DOI: 10.1109/MedHocNet.2014.6849103ISI: 000346133300006ScopusID: 2-s2.0-84904553884ISBN: 978-1-4799-5258-8OAI: diva2:776944
2014 13th Annual Mediterranean Ad Hoc Networking Workshop, MED-HOC-NET 2014, Piran, Slovenia, 2 June 2014 through 4 June 2014

QC 20150108

Available from: 2015-01-08 Created: 2015-01-08 Last updated: 2016-01-29Bibliographically approved
In thesis
1. Secure and Privacy Preserving Urban Sensing Systems
Open this publication in new window or tab >>Secure and Privacy Preserving Urban Sensing Systems
2016 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The emergence of resource-rich mobile devices and smart vehicles has paved the way for Urban Sensing. In this new paradigm, users, leveraging their sensing-capable devices, sense their environment and become part of an unprecedented large-scale network of sensors, with extensive spatial and temporal coverage, that enables the collection and dissemination of real-time information, potentially, from anywhere, about anything and at anytime. Urban sensing will facilitate the deployment of innovative applications aiming to address the ever-growing concerns for citizens' well-being by offering a better understanding of our activities and environment.

Nevertheless, the openness of such systems (ideally anyone can participate) and the richness of the data users contribute unavoidably raise significant concerns both about the security of urban sensing applications and the privacy of the participating users. More specifically, users participating in urban sensing applications are expected to contribute sensed data tagged, in many cases, with spatio-temporal information. Misusing such information could reveal sensitive user-specific attributes including their whereabouts, health condition, and habits and lead to extensive and unsolicited user profiling. At the same time, the participation of large numbers of users possessing sensing- capable devices is a double-edged sword: devices can be compromised or faulty or users can be adversarial seeking to manipulate urban sensing systems by submitting intelligently crafted faulty information.

This thesis considers security, resilience and privacy for urban sensing notably in two application domains: intelligent transportation systems and generic smartphone based crowd-sourced sensing applications. For these domains, we design, implement and evaluate provably secure and privacy-preserving solutions capable of protecting the users from the system (i.e., ensuring their privacy in the presence of untrustworthy infrastructure) and the system from malicious users (i.e., holding them accountable for possible system-offending actions)

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2016. 48 p.
TRITA-EE, ISSN 1653-5146 ; 2016:014
National Category
Computer Systems
Research subject
Education and Communication in the Technological Sciences; Electrical Engineering
urn:nbn:se:kth:diva-181100 (URN)978-91-7595-860-6 (ISBN)
Public defence
2016-02-25, Horsal F3, Lindstedtsvägen 26, KTH, Stockholm, 13:00 (English)

QC 20160229

Available from: 2016-01-29 Created: 2016-01-28 Last updated: 2016-02-05Bibliographically approved

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