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CCS
2004
ACM
15 years 3 months ago
KNOW Why your access was denied: regulating feedback for usable security
We examine the problem of providing useful feedback about access control decisions to users while controlling the disclosure of the system’s security policies. Relevant feedback...
Apu Kapadia, Geetanjali Sampemane, Roy H. Campbell
DIM
2005
ACM
14 years 12 months ago
Establishing and protecting digital identity in federation systems
We develop solutions for the security and privacy of user identity information in a federation. By federation we mean a group of organizations or service providers which have buil...
Abhilasha Bhargav-Spantzel, Anna Cinzia Squicciari...
CCS
2010
ACM
14 years 10 months ago
Hierarchical attribute-based encryption for fine-grained access control in cloud storage services
Cloud computing, as an emerging computing paradigm, enables users to remotely store their data into a cloud so as to enjoy scalable services on-demand. Especially for small and me...
Guojun Wang, Qin Liu, Jie Wu
IHI
2010
160views Healthcare» more  IHI 2010»
14 years 4 months ago
Securing the e-health cloud
Modern information technology is increasingly used in healthcare with the goal to improve and enhance medical services and to reduce costs. In this context, the outsourcing of com...
Hans Löhr, Ahmad-Reza Sadeghi, Marcel Winandy
ICDCS
2011
IEEE
13 years 9 months ago
Authorized Private Keyword Search over Encrypted Data in Cloud Computing
—In cloud computing, clients usually outsource their data to the cloud storage servers to reduce the management costs. While those data may contain sensitive personal information...
Ming Li, Shucheng Yu, Ning Cao, Wenjing Lou