A Review On Possible Attack In Privacy Model And Modification Technique

: In recent year, due to the development of data mining techniques a large amount of data is mined out to reveal potential useful information about user. This creates the problem of information leakage of user. So the goal of privacy preserving is to reveal the essential information without leaking of the sensitive information. In this paper, we study various privacy preserving models that preserve privacy when data from different data providers are integrated. Also we discussed various type of attacks that are possible in that models and take a review of various anonymization or modification methods that are used for preserving privacy.