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| Auteurs principaux: | , , , , , , , , |
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| Format: | Preprint |
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2024
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| Accès en ligne: | https://arxiv.org/abs/2405.16719 |
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| _version_ | 1866913526040231936 |
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| author | Tholoniat, Pierre Kostopoulou, Kelly McNeely, Peter Sodhi, Prabhpreet Singh Varanasi, Anirudh Case, Benjamin Cidon, Asaf Geambasu, Roxana Lécuyer, Mathias |
| author_facet | Tholoniat, Pierre Kostopoulou, Kelly McNeely, Peter Sodhi, Prabhpreet Singh Varanasi, Anirudh Case, Benjamin Cidon, Asaf Geambasu, Roxana Lécuyer, Mathias |
| contents | With the impending removal of third-party cookies from major browsers and the introduction of new privacy-preserving advertising APIs, the research community has a timely opportunity to assist industry in qualitatively improving the Web's privacy. This paper discusses our efforts, within a W3C community group, to enhance existing privacy-preserving advertising measurement APIs. We analyze designs from Google, Apple, Meta and Mozilla, and augment them with a more rigorous and efficient differential privacy (DP) budgeting component. Our approach, called Cookie Monster, enforces well-defined DP guarantees and enables advertisers to conduct more private measurement queries accurately. By framing the privacy guarantee in terms of an individual form of DP, we can make DP budgeting more efficient than in current systems that use a traditional DP definition. We incorporate Cookie Monster into Chrome and evaluate it on microbenchmarks and advertising datasets. Across workloads, Cookie Monster significantly outperforms baselines in enabling more advertising measurements under comparable DP protection. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_16719 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Cookie Monster: Efficient On-device Budgeting for Differentially-Private Ad-Measurement Systems Tholoniat, Pierre Kostopoulou, Kelly McNeely, Peter Sodhi, Prabhpreet Singh Varanasi, Anirudh Case, Benjamin Cidon, Asaf Geambasu, Roxana Lécuyer, Mathias Cryptography and Security With the impending removal of third-party cookies from major browsers and the introduction of new privacy-preserving advertising APIs, the research community has a timely opportunity to assist industry in qualitatively improving the Web's privacy. This paper discusses our efforts, within a W3C community group, to enhance existing privacy-preserving advertising measurement APIs. We analyze designs from Google, Apple, Meta and Mozilla, and augment them with a more rigorous and efficient differential privacy (DP) budgeting component. Our approach, called Cookie Monster, enforces well-defined DP guarantees and enables advertisers to conduct more private measurement queries accurately. By framing the privacy guarantee in terms of an individual form of DP, we can make DP budgeting more efficient than in current systems that use a traditional DP definition. We incorporate Cookie Monster into Chrome and evaluate it on microbenchmarks and advertising datasets. Across workloads, Cookie Monster significantly outperforms baselines in enabling more advertising measurements under comparable DP protection. |
| title | Cookie Monster: Efficient On-device Budgeting for Differentially-Private Ad-Measurement Systems |
| topic | Cryptography and Security |
| url | https://arxiv.org/abs/2405.16719 |