Rainer Rehak is a research associate in the group "Digitization, Sustainability and Participation" at the Weizenbaum Institute for the Networked Society, is a research fellow at the Social Science Research Center Berlin (WZB), and is currently pursuing a PhD on systemic IT security and societal privacy at the TU Berlin. He studied computer science (HU Berlin) and philosophy (FU Berlin) in Berlin and Hong Kong and has been working on the implications of the computerization of society for over 15 years. His research fields are privacy, IT security, state hacking, computer science and ethics, fictions of technology, digitization and sustainability, convivial and democratic digital technology, and the implications and limits of automation by AI systems. He is an expert witness for parliaments (e.g., the German Bundestag) and courts (e.g., the German Federal Constitutional Court) and also publishes regularly in non-scientific media.