Cryptographic key management issues and challenges in cloud services / Romaswamy Chandramouli, Michaela Iorga, and Santosh Chokhani -- Costs and security in clouds / Yao Chen and Radu Sion -- Hardware-enhanced security for cloud computing / Jakub Szefer and Ruby B. Lee -- Cloud computing security: what changes with software-defined networking? / Mauricio Tsuwaga, Andrea Matsunaga, and Jose A.B. Fortes -- Proof of isolation for cloud storage / Zhan wang, Kun Sun, Sushil Jajodia, and Jiwu Jing -- Selective and fine-grained access to data in the cloud / Sabrina De Capitani di Vimercati, Sara Foresti, and Pierangela Samarati -- Enabling collaborative data authorization between enterprise clouds / Meixing Le, Krishna Kant, and Sushil Jajodia -- Making query execution over encrypted data practical / Ken Smith, M. David Allen, Hongying Lan, and Andrew Sillers -- Privacy-preserving keyword search over encrypted data in cloud computing / Wenhai Sun, Wenjing Lou, Y. Thomas Hou, and Hui Li -- Towards data confidentiality and vulnerability analysis framework for cloud computing / Kerim Y. Oktay, Mahadevan Gomathisankaran, Murat Kantarcioglu, Sharad Mehrotra, and Anoop Singhal -- Securing mission-centric operations in the cloud / Massimiliano Albanese, Sushil Jajodia, Ravi Jhawar, and Vincenzo Piuri -- Computational decoys for cloud security / Georgios Kontaxis, Michalis Polychronakis, and Angelos D. Keromytis -- Towards a data-centric approach to attribution in the cloud / Wenchao Zhou -- Software cruising: a new technology for building concurrent software monitor / Dinghao Wu, Peng Liu, Qiang Zeng, and Donghai Tian -- Controllability and observability of risk and resilience in cyber-physical cloud systems / Hasan Cam