The present book contains the proceedings of two conferences held at the World Computer
Congress 2010 in Brisbane Australia (September 20-23) organised by the International
Federation for Information Processing (IFIP). In the first part the reader can find the
proceedings of the 9th Human Choice and Computers International C- ference (HCC9) organised by
the IFIP Technical Committee TC9 on the Relationship Between ICT and Society. The HCC9 part is
subdivided into four tracks: Ethics and ICT Governance Virtual Technologies and Social Shaping
Surveillance and Privacy and ICT and Sustainable Development. The second part consists of
papers given at the Critical Information Infrastructure Protection Conference (CIP) organized
by the IFIP Technical Committee TC11 on Security and Privacy Protection in Information
Processing Systems. The two parts of the book are introduced by the respective Conference
Chairs. Chapter 1 introduces HCC9 providing a short summary of the HCC conference series
which started in 1974 and explaining the overview of HCC9 detailing the rationale behind each
of the tracks in this conference. The details related to the papers of each track are discussed
by the Track Chairs in the respective introductions to the specific tracks of HCC9 (Chaps. 2
10 16 and 22). Finally Chap. 22 introduces the CIP part.
