Bachelor Thesis from the year 2009 in the subject Computer Science - Internet, New Technologies, grade: 1,7, University of Hannover (Knowledge Based Systems Institute), language: English, abstract: Social Web applications are steadily gaining popularity. At the same time, the open nature of such services leads to the exposure of an immense amount of personal data. Due to insucient access control on nowadays Social Web applications problems in terms of privacy arise. This thesis focuses on the need for more exible and negrained privacy restrictions. It analyses privacy problems of current...