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» Security Enforcement Model for Distributed Usage Control
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DIMVA
2009
13 years 8 months ago
A Service Dependency Modeling Framework for Policy-Based Response Enforcement
The use of dynamic access control policies for threat response adapts local response decisions to high level system constraints. However, security policies are often carefully tigh...
Nizar Kheir, Hervé Debar, Fréd&eacut...
CCS
2008
ACM
13 years 9 months ago
Stale-safe security properties for group-based secure information sharing
Attribute staleness arises due to the physical distribution of authorization information, decision and enforcement points. This is a fundamental problem in virtually any secure di...
Ram Krishnan, Jianwei Niu, Ravi S. Sandhu, William...
ESORICS
2008
Springer
13 years 9 months ago
On the Security of Delegation in Access Control Systems
Delegation is a mechanism that allows a user A to act on another user B's behalf by making B's access rights available to A. It is well recognized as an important mechani...
Qihua Wang, Ninghui Li, Hong Chen
CCS
2008
ACM
13 years 9 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...
ACSAC
2006
IEEE
14 years 1 months ago
Shamon: A System for Distributed Mandatory Access Control
We define and demonstrate an approach to securing distributed computation based on a shared reference monitor (Shamon) that enforces mandatory access control (MAC) policies acros...
Jonathan M. McCune, Trent Jaeger, Stefan Berger, R...