Since 2006 I've been involved with PRISE, an extremely interesting European project, which has been developing ethical guidelines for the European Commission's 7th Framework funding for new security research. In particular, PRISE has been developing baseline privacy requirements that should be considered by all new projects in this programme. This is a key way to shape the architectures of future technologies in the security field, rather than waiting to try to regulate the negative privacy consequences of such technologies after the fact.
Earlier this week in Vienna PRISE presented their conclusions at a conference, Towards Privacy Enhancing Security Technologies. They kindly asked me to give a keynote on "Involving citizens in assessing dilemmas of privacy and security" — and you can now read my slides.