Privacy in elections

How small is “small”?

Annabelle McIver*, Tahiry Rabehaja, Roland Wen, Carroll Morgan

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

We study the impact on privacy in results reporting in elections. In the interests of transparency election commissions report details of aggregated vote counts; in the interests of privacy some of that information must be suppressed. We apply recent advances in Quantitative Information Flow (QiF) to describe several privacy properties in order to study the trade-off between transparency and privacy in results reporting. We show that for some properties the impact on privacy in releasing detailed results data is minimal; on the other hand we identify some privacy properties that potentially reveal a great deal of information making results reporting in small batches problematic.

Original languageEnglish
Pages (from-to)112-126
Number of pages15
JournalJournal of Information Security and Applications
Volume36
DOIs
Publication statusPublished - 1 Oct 2017

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