Presentation on theme: "P3P 20031030 Ro Young-jin. What Is P3P? Platform for Privacy Preference Project Developed by W3C Provides a standard way for Web sites to communicate."— Presentation transcript:
P3P Ro Young-jin
What Is P3P? Platform for Privacy Preference Project Developed by W3C Provides a standard way for Web sites to communicate for the collection, use, and distribution of personal information P3P-enabled Web Sites & Browsers P3P-enabled web sites make a machine-readable format snapshot of how a site handles personal information about its users P3P-enabled browsers read this snapshot then compare it to the consumer’s own set of privacy preference
How P3P Works?
Protocol in P3P
PICS PICS (Platform for Internet Content Selection) P3P is an outgrowth version of PICS PICS is used for regulate some showing of inappropriate Web sites How PICS works? Web developer inserts some HTML tag which signs the level of the Web site Web browser and filtering software read the tag Determine allow to show the Web site or not by some rules made already
P3P in Internet Explorer 6.0
P3P Structure /* *.example.com * Example Corp.
P3P Structure (Continued)
Drawbacks of P3P Troublesome because of ‘Cookie’ configuration Many people do not know about ‘Cookie’ well Popup message for warning message Difficulty of setting for privacy Hard to know how much of regulation is needed Many Web sites do not obey P3P If there are only few sites keep P3P, using P3P is not effective for users
References ml ml Cranor, L.F.; P3P: making privacy policies more useful. Security & Privacy Magazine, IEEE, Volume 1, Issue 6, Nov-Dec 2003 Page(s): Karjoth, G.; Schunter, M.; Van Herreweghen, E.; Waidner, M.; Amending P3P for clearer privacy promises. Database and Expert Systems Applications, Proceedings. 14th International Workshop on 1-5 Sept Page(s):