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Resilient privacy protection for location-based services through decentralization
KTH, School of Electrical Engineering (EES), Network and Systems engineering. (Networked Systems Security Group)
KTH, School of Electrical Engineering (EES), Network and Systems engineering. (Networked Systems Security Group)
2017 (English)In: Proceedings of the 10th ACM Conference on Security and Privacy in Wireless and Mobile Networks, WiSec 2017, Association for Computing Machinery (ACM), 2017, p. 253-258Conference paper, Published paper (Refereed)
Abstract [en]

Location-based Services (LBSs) provide valuable features but can also reveal sensitive user information. Decentralized privacy protection removes the need for a so-called anonymizer, but relying on peers is a double-edged sword: adversaries could mislead with fictitious responses or even collude to compromise their peers' privacy. We address here exactly this problem: we strengthen the decentralized LBS privacy approach, securing peer-to-peer (P2P) interactions. Our scheme can provide precise timely P2P responses by passing proactively cached Point of Interest (POI) information. It reduces the exposure both to the honest-but-curious LBS servers and peer nodes. Our scheme allows P2P responses to be validated with very low fraction of queries affected even if a significant fraction of nodes are compromised. The exposure can be kept very low even if the LBS server or a large set of colluding curious nodes collude with curious identity management entities.

Place, publisher, year, edition, pages
Association for Computing Machinery (ACM), 2017. p. 253-258
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-213037DOI: 10.1145/3098243.3098268Scopus ID: 2-s2.0-85027694713ISBN: 9781450350846 OAI: oai:DiVA.org:kth-213037DiVA, id: diva2:1136689
Conference
10th ACM Conference on Security and Privacy in Wireless and Mobile Networks, WiSec 2017, Boston, United States, 18 July 2017 through 20 July 2017
Note

QC 20170829

Available from: 2017-08-29 Created: 2017-08-29 Last updated: 2017-09-20Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf