25 March 2004 - Deadline Call for Papers
The European Black Hat conference 2004 will take place in the Krasnapolsky Hotel in Amsterdam, the Netherlands, from 17 to 20 May 2004. Papers are invited especially about the European perspective on privacy, anonymity and DRM.
http://www.blackhat.com/html/bh-europe-04/bh-europe-04-cfp.html

26-27 March 2004, Warsaw, Poland
Pan-European Forum on safer internet-issues, organised by the Media division of the Council of Europe Human Rights Directorate. Deadline for funding applications is 20 February 2004.
http://www.safer-internet.net/pconference.asp

19 April 2004, London, UK
One day conference on ubiquitous computing and it's possible impact on privacy, democracy, and terrorism.
http://www.uclic.ucl.ac.uk/ubiconf/programme.html

15 May 2004 - Deadline Call for
The Data Protection Authorities support a new award for privacy-papers, named in honour of the US privacy expert Barbara Wellbery (1948-2003). The award is granted annually by the Morrison & Foerster Foundation. The winning paper will receive a USD 3,000 cash award. In addition, the winner is invited to present his or her paper in Poland at the 26th International Conference of Data Protection and Privacy Commissioners (14-16 September 2004).
http://www.cbpweb.nl/downloads_overig/med_barbara_wellberry_2.pdf

3-4 June 2004, Vienna, Austria - Free Bitflows conference
Conference and workshops about cultures of access and politics of dissemination, organised by Public Netbase (AT), in collaboration with Hull Time Based Arts (Hull, UK); V2_ (Rotterdam, NL); Bootlab (Berlin, DE); interSpace Media Art Center (Sofia, BG).
http://freebitflows.t0.or.at

15-17 September 2004, Strasbourg, France
The Council of Europe is planning a major international conference on "The Challenge of Cybercrime", which will bring together senior politicians, computer industry leaders and experts from around the world. No online information yet.