Anonymisation and Pseudonymisation as Means of Privacy Protection Second International Workshop of the Tiss.EU Project Budapest, 6-8 April 2009 Petra Bárd, Judit Sándor 1 Introduction The second international workshop within the Tiss.EU project was organized by Judit Sándor and Petra Bárd from the Centre for Ethics and Law in Biomedicine (CELAB) at the Central European University (CEU), Budapest, Hungary. It focussed on one of the four Focal Themes of the Tiss.EU project by addressing questions of “Anonymisation and Pseudonymisation as Means of Privacy Protec- tion” (Focal Theme C) in relatively unexplored jurisdictions of Central and Eastern Europe such as the Czech Republic, Hungary, Slovakia and Romania. Due to the interdisciplinary nature of the workshop’s subject, invited speakers represented a wide range of disciplines such as law, medicine, philosophy and information tech- nology. The structure of the workshop followed a two-track approach: on the one hand speakers presented their countries’ regulatory framework and existing prac- tices concerning anonymisation, and on the other scholars addressed various relat- ed theoretical concerns and problems. Emphasis was put on the geographical