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WWW
2005
ACM
16 years 4 months ago
TrustGuard: countering vulnerabilities in reputation management for decentralized overlay networks
Reputation systems have been popular in estimating the trustworthiness and predicting the future behavior of nodes in a large-scale distributed system where nodes may transact wit...
Mudhakar Srivatsa, Li Xiong, Ling Liu
SWS
2004
ACM
15 years 9 months ago
Trust but verify: authorization for web services
Through web service technology, distributed applications can be built in a exible manner, bringing tremendous power to applications on the web. However, this exibility poses sig...
Christian Skalka, Xiaoyang Sean Wang
SACMAT
2010
ACM
15 years 2 months ago
Enforcing spatial constraints for mobile RBAC systems
Proposed models for spatially-aware extensions of role-based access control (RBAC) combine the administrative and security advantages of RBAC with the dynamic nature of mobile and...
Michael S. Kirkpatrick, Elisa Bertino
POLICY
2007
Springer
15 years 10 months ago
Distributed Enforcement of Unlinkability Policies: Looking Beyond the Chinese Wall
We present a discretionary access control framework that can be used to control a principal’s ability to link information from two or more audit records and compromise a user’...
Apu Kapadia, Prasad Naldurg, Roy H. Campbell
CSE
2009
IEEE
15 years 11 months ago
A Hybrid Enforcement Model for Group-centric Secure Information Sharing
—Group-Centric Secure Information Sharing (g-SIS) is motivated by the need to dynamically share information amongst a set of authorized users for a specific purpose. Authorized ...
Ram Krishnan, Ravi S. Sandhu