This book contains the Proceedings of the 22nd IFIP TC-11 International Information Security Conference (IFIP/SEC 2007) on "New Approaches for Security, Privacy and Trust in Complex Environments" held in Sandton, South Africa from 14 to 16 May 2007. The IFIP/SEC conferences are the flagship events of TC-11. In May 1995 South Africa for the first time hosted an IFIP/SEC conference in Cape Town. Now, twelve years later, we are very pleased to have succeeded in our bid to once again present the IFIP/SEC conference in South Africa. The current IT environment deals with novel, complex approaches such as information privacy, trust, digital forensics, management, and human aspects. This modem environment challenges the whole information security research community to focus on interdisciplinary and holistic approaches, whilst retaining the benefit of previous research efforts. Papers offering research contributions that focus both on access control in complex environments and on other aspects of computer security and privacy were solicited for submission to IFIP/SEC 2007. A total of 107 submissions were received, which were all reviewed by at least three members of the international programme committee.
International Federation for Information Processing
The IFIP series publishes state-of-the-art results in the sciences and technologies of information and communication. The scope of the series includes: foundations of computer science; software theory and practice; education; computer applications in technology; communication systems; systems modeling and optimization; information systems; computers and society; computer systems technology; security and protection in information processing systems; artificial intelligence; and human-computer interaction. Proceedings and post-proceedings of referred international conferences in computer science and interdisciplinary fields are featured. These results often precede journal publication and represent the most current research. The principal aim of the IFIP series is to encourage education and the dissemination and exchange of information about all aspects of computing.
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