- Csilla Farkas, Pierangela Samarati, editors, Research Directions in Data and Applications Security XVIII, IFIP TC11/WG 11.3 Eighteenth Annual Conference on Data and Applications Security, July 25-28, 2004, Sitges, Catalonia, Spain. Kluwer, 2004.
- Sabrina De Capitani di Vimercati, Indrakshi Ray, Indrajit Ray, editors, Data and Applications Security XVII: Status and Prospects, IFIP TC-11 WG 11.3 Seventeenth Annual Working Conference on Data and Application Security, August4-6, 2003, Estes Park, Colorado, USA. Kluwer, 2004.