Abstract:
Advertisers place cookies in the browser to follow a user’s steps across different websites, mostly without his knowledge or consent. This diploma thesis deals with the problems of privacy issues caused by the tracking activities of third parties on the web and purpose a Firefox extension as a solution. The add-on ‘privacymanager’ provides control to user to manage third party cookies by setting polices for each site. Relevance and impact of the extension are proven by the analysis of data, gained with automated visits of 5.000 websites. Furthermore, currently available Mozilla Firefox add-ons dealing with cookies and privacy are analyzed in detail.
