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Encyclopedia of Cryptography and Security pp 940–941Cite as

Platform for Privacy Preferences (P3P)

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Related Concepts

Computer-Readable Privacy Policy; Privacy Notice; Privacy Policy

Definition

The Platform for Privacy Preferences (P3P) is a World Wide Web Consortium (W3C) recommendation for standardized computer-readable Web site privacy policies.

Background

P3P was developed by the World Wide Web Consortium (W3C) to provide a standard way for Web sites to communicate about their privacy policies in a computer-readable format. This allows for the development of P3P user agents that can fetch these policies, evaluate them, and help users by displaying pertinent information, blocking cookies, or performing other functions based on each Web site’s privacy policy [1].

W3C working groups developed the P3P specification over a period of several years, and released P3P 1.0 as an official Recommendation in 2002 [3]. Subsequently, the W3C began work on a P3P 1.1 specification, which was released as a W3C Working Group Note in 2006. However, P3P 1.1 has not become an official W3C...

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Recommended Reading

  1. Cranor LF (2002) Web privacy with P3P. O’Reilly, Sebastopol

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  2. Cranor LF, Egelman S, Sheng S, McDonald AM, Chowdhury A (2008) P3P deployment on websites. Electron Commerce Res Appl 7(3):274–293

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  3. Cranor L, Langheinrich M, Marchiori M, Presler-Marshall M, Reagle J (2002) The platform for privacy preferences 1.0 (P3P1.0) specification. W3C Recommendation 16 April 2002. http://www.w3.org/TR/P3P/

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Author information

Authors and Affiliations

  1. School of Computer Science, Carnegie Mellon University, 5000 Forbes Avenue, 15213, Pittsburg, PA, USA

    Lorrie Faith Cranor (Professor)

Authors
  1. Lorrie Faith Cranor
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Editor information

Editors and Affiliations

  1. Department of Mathematics and Computing Science, Eindhoven University of Technology, 5600 MB, Eindhoven, The Netherlands

    Henk C. A. van Tilborg

  2. Center for Secure Information Systems, George Mason University, Fairfax, VA, 22030-4422, USA

    Sushil Jajodia

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© 2011 Springer Science+Business Media, LLC

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Faith Cranor, L. (2011). Platform for Privacy Preferences (P3P). In: van Tilborg, H.C.A., Jajodia, S. (eds) Encyclopedia of Cryptography and Security. Springer, Boston, MA. https://doi.org/10.1007/978-1-4419-5906-5_759

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