Amending P3P for Clearer Privacy Promises

Authors:
Günter Karjoth;Matthias Schunter;Els Van Herreweghen;Michael Waidner
Affiliations:
-;-;-;-
Venue:
DEXA '03 Proceedings of the 14th International Workshop on Database and Expert Systems Applications
Year:
2003

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Abstract

The Platform for Privacy Preferences (P3P) can be a viabletool for organizations to clarify their privacy promises.In this paper, we summarize our experiences and describesome of the problems we have encountered when using P3P.Our main criticisms on P3P are its complicated structure,ambiguities in the specification, and missing guidelines foruser agents. We suggest several improvements such as anextended but simplified syntax and a revised consent modelthat groups opt-in/opt-out choices into one consent block',which can be associated with multiple statements.