Cover; Title Page; Copyright; Preface; Acknowledgements; Contents; Glossary; Executive Summary; Synthesis; Defining cloud computing; Defining security, privacy and trust; Issues arising from the reviewed literature; Risk control frameworks; Operational challenges; Implications from case studies; Gap analysis; Solving the challenges: observations and recommendations; Conclusions; Methodology; Structure of the report; Chapter1:Introduction; Chpater2: Definitions and drivers; 2.1 Definitions of cloud computing; 2.2 What's pushing cloud take-up?

2.3 The economics of cloud computing: implications for security 2.4 Concluding remarks; Chapter 3: Understanding the implications for security, privacy and trust; 3.1 Defining security, privacy and trust; 3.2 Growing focus on security, privacy and trust concerns; 3.3 Identifying key issues and possible enablers for security, trust and privacy in the cloud; Chapter 4: Security, privacy and trust challenges stemming from thetechnological underpinnings of cloud computing; 4.1 The linchpin of trust: the hypervisor.

4.2 Can the distributed models of computation characteristic of grid technology adequately serve the availability and interoperability needs ofcloud computing?4.3 Current state-of-the-art web services may not be sufficient to establishinteroperability for identity management in the cloud; 4.4 Trustworthiness in service-orientated architectures (SOAs); 4.5 Will web application frameworks (APIs and SDKs) be credible inproviding trust across distributed environments?; 4.6 The fragility of current encryption approaches in the cloud context; 4.7 Concluding remarks.

Chapter 5: Security, privacy and trust challenges inherent to the legaland regulatory aspects of cloud computing5.1 Horizontal perspective: applicable law and jurisdiction; 5.2 Vertical issues: main applicable laws; 5.3 The will of the parties: contractual provisions; 5.4 Overcoming legal barriers: key tools; 5.5 Concluding remarks; Chapter 6: Putting it all together: key risks and operational challenges; 6.1 Summary of legal and technical issues; 6.2 Migrating to the cloud: the operational challenges; Chapter7: Case studies; 7.1 Introduction; 7.2 Initial classification of case studies.

7.3 Observations on case studies in practice 7.4 Matrix of case study typology; 7.5 Case Study 1: the Danish National IT and Telecom Agency; 7.6 Case study 2: the City of Los Angeles; 7.7 Case study 3: EU eHealth provider; 7.8 Implications; Chapter8: Gap analysis; Chapter 9: Solving the challenges: recommendations and actions; 9.1 Introduction; 9.2 Recommendations; 9.3 Specific actions; Chapter10: Conclusions; References; Appendices.