Document (#28310)

Author

Shapira, B.
Elovici, Y.
Meshiach, A.
Kuflik, T.

Title

PRAW-A PRivAcy model for the Web

Source

Journal of the American Society for Information Science and Technology. 56(2005) no.2, S.159-172

Year

2005

Abstract

Web navigation enables easy access to vast amounts of information and services. However, it also poses a major risk to users' privacy. Various eavesdroppers constantly attempt to violate users' privacy by tracking their navigation activities and inferring their interests and needs (profiles). Users who wish to keep their intentions secret forego useful services to avoid exposure. The computer security community has concentrated an improving users' privacy by concealing their identity an the Web. However, users may want or need to identify themselves over the Net to receive certain services but still retain their interests, needs, and intentions in private. PRAWa PRivAcy model for the Web suggested in this paperis aimed at hiding users' navigation tracks to prevent eavesdroppers from inferring their profiles but still allowing them to be identified. PRAW is based an continuous generation of fake transactions in various fields of interests to confuse eavesdroppers' automated programs, thus providing them false data. A privacy measure is defined that reflects the difference between users' actual profile and the profile that eavesdroppers might infer. A prototype system was developed to examine PRAW's feasibility and conduct experiments to test its effectiveness. Encouraging results and their analysis are presented, as weIl as possible attacks and known limitations.

Theme

Internet

Object

WWW

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