Interest-disclosing Mechanisms for Advertising are Privacy-Exposing (not Preserving) · HackerPapers discussions

Interest-disclosing Mechanisms for Advertising are Privacy-Exposing (not Preserving) — mentioned by ericpauley

Fri, 22 Dec 2023 00:26:44 GMT

Unfortunately the 5% noise can be easily bypassed by advertisers: https://arxiv.org/pdf/2306.03825.pdf

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Interest-disclosing Mechanisms for Advertising are Privacy-Exposing (not Preserving) — mentioned by ericpauley

Fri, 08 Sep 2023 01:42:10 GMT

Our research group does work in this space[1], so I’ll claim some familiarity. This article has multiple problems: 1. Privacy Sandbox is a project, consisting of many proposals. To pitch it as some cohesive product is misleading. 2. Related: FLoC and Topics are completely separate things, aside from existing under the same project. 3. Topics is reducible to (implementable using) third-party cookies. While the proposal has issues and doesn’t resist tracking as well as Google claims (see below article), Ars’ implication that this is somehow making Chrome less privacy-preserving is patently…

Paper and discussion history. A mention is not an endorsement.

Interest-disclosing Mechanisms for Advertising are Privacy-Exposing (not Preserving) — mentioned by ericpauley

Fri, 08 Sep 2023 01:34:54 GMT

Precisely. The article (and seemingly everyone else) fails to realize that topics is reducible to TPC. If you have TPC then topics provides no additional tracking capability. Topics is a mess (see a great analysis from a colleague of mine[1]), but it’s a hard sell to call this current step nefarious. [1] https://arxiv.org/abs/2306.03825

Paper and discussion history. A mention is not an endorsement.