118 citations · 293 across the 21 of their papers we have counts for
22 papers
The Privacy-Utility Trade-off in the Topics API
Mário S. Alvim, Natasha Fernandes, Annabelle McIver +1
The ongoing deprecation of third-party cookies by web browser vendors has sparked the proposal of alternative methods to support more privacy-preserving personalized advertising on…
A Quantitative Information Flow Analysis of the Topics API
Mário S. Alvim, Natasha Fernandes, Annabelle McIver +1
Third-party cookies have been a privacy concern since cookies were first developed in the mid 1990s, but more strict cookie policies were only introduced by Internet browser vendor…
A novel analysis of utility in privacy pipelines, using Kronecker products and quantitative information flow
Mário S. Alvim, Natasha Fernandes, Annabelle McIver +2
We combine Kronecker products, and quantitative information flow, to give a novel formal analysis for the fine-grained verification of utility in complex privacy pipelines. The com…
Analyzing the Shuffle Model through the Lens of Quantitative Information Flow
Mireya Jurado, Ramon G. Gonze, Mário S. Alvim +1
Local differential privacy (LDP) is a variant of differential privacy (DP) that avoids the need for a trusted central curator, at the cost of a worse trade-off between privacy and…
A novel reconstruction attack on foreign-trade official statistics, with a Brazilian case study
Danilo Fabrino Favato, Gabriel Coutinho, Mário S. Alvim +1
In this paper we describe, formalize, implement, and experimentally evaluate a novel transaction re-identification attack against official foreign-trade statistics releases in Braz…
Flexible and scalable privacy assessment for very large datasets, with an application to official governmental microdata
Mário S. Alvim, Natasha Fernandes, Annabelle McIver +2
We present a systematic refactoring of the conventional treatment of privacy analyses, basing it on mathematical concepts from the framework of Quantitative Information Flow (QIF).…