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» The Role of Trust Management in Distributed Systems Security
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IEEEARES
2009
IEEE
16 years 26 days ago
Estimating ToE Risk Level Using CVSS
—Security management is about calculated risk and requires continuous evaluation to ensure cost, time and resource effectiveness. Parts of which is to make future-oriented, costb...
Siv Hilde Houmb, Virginia N. L. Franqueira
WWW
2004
ACM
16 years 6 months ago
Pride: peer-to-peer reputation infrastructure for decentralized environments
Peer-to-peer (P2P) networks use the fundamental assumption that the nodes in the network will cooperate and will not cheat. In the absence of any common goals shared by the nodes ...
Prashant Dewan, Partha Dasgupta
CN
2010
83views more  CN 2010»
15 years 5 months ago
Secure peer sampling
PuppetCast is a protocol for secure peer sampling in large-scale distributed systems. A peer sampling protocol continuously provides each node in the system with a uniform random ...
Gian Paolo Jesi, Alberto Montresor, Maarten van St...
SACMAT
2009
ACM
16 years 16 days ago
Towards formal security analysis of GTRBAC using timed automata
An access control system is often viewed as a state transition system. Given a set of access control policies, a general safety requirement in such a system is to determine whethe...
Samrat Mondal, Shamik Sural, Vijayalakshmi Atluri
CCS
2008
ACM
15 years 8 months ago
Assessing query privileges via safe and efficient permission composition
We propose an approach for the selective enforcement of access control restrictions in, possibly distributed, large data collections based on two basic concepts: i) flexible autho...
Sabrina De Capitani di Vimercati, Sara Foresti, Su...