Distributional differential privacy for large-scale smart metering

Márk Jelasity, Kenneth P. Birman

Research output: Chapter in Book/Report/Conference proceedingConference contribution

11 Citations (Scopus)

Abstract

In smart power grids it is possible to match supply and demand by applying control mechanisms that are based on fine- grained load prediction. A crucial component of every control mechanism is monitoring, that is, executing queries over the network of smart meters. However, smart meters can learn so much about our lives that if we are to use such methods, it becomes imperative to protect privacy. Recent proposals recommend restricting the provider to differentially private queries, however the practicality of such approaches has not been settled. Here, we tackle an important problem with such approaches: Even if queries at different points in time over statistically independent data are implemented in a differentially private way, the parameters of the distribution of the query might still reveal sensitive personal information. Protecting these parameters is hard if we allow for continuous monitoring, a natural requirement in the smart grid. We propose novel differentially private mechanisms that solve this problem for sum queries. We evaluate our methods and assumptions using a theoretical analysis as well as publicly available measurement data and show that the extra noise needed to protect distribution parameters is small.

Original languageEnglish
Title of host publicationIH and MMSec 2014 - Proceedings of the 2014 ACM Information Hiding and Multimedia Security Workshop
PublisherAssociation for Computing Machinery, Inc
Pages141-146
Number of pages6
ISBN (Electronic)9781450326476
DOIs
Publication statusPublished - Jun 11 2014
Event2nd ACM Workshop on Information Hiding and Multimedia Security, IH and MMSec 2014 - Salzburg, Austria
Duration: Jun 11 2014Jun 13 2014

Publication series

NameIH and MMSec 2014 - Proceedings of the 2014 ACM Information Hiding and Multimedia Security Workshop

Other

Other2nd ACM Workshop on Information Hiding and Multimedia Security, IH and MMSec 2014
CountryAustria
CitySalzburg
Period6/11/146/13/14

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ASJC Scopus subject areas

  • Computer Graphics and Computer-Aided Design
  • Human-Computer Interaction
  • Software

Cite this

Jelasity, M., & Birman, K. P. (2014). Distributional differential privacy for large-scale smart metering. In IH and MMSec 2014 - Proceedings of the 2014 ACM Information Hiding and Multimedia Security Workshop (pp. 141-146). (IH and MMSec 2014 - Proceedings of the 2014 ACM Information Hiding and Multimedia Security Workshop). Association for Computing Machinery, Inc. https://doi.org/10.1145/2600918.2600919