860 search results - page 109 / 172 » On the Security of Delegation in Access Control Systems |
109
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SDMW
2004
Springer
15 years 7 months ago
2004
Springer
In a database system, authorization-based access-control is generally the first line of defense, preventing unauthorized accesses to secret or sensitive data. However, this mechan...
132
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SACMAT
2006
ACM
15 years 7 months ago
2006
ACM
In recent years, trust negotiation (TN) has been proposed as a novel access control solution for use in open system environments in which resources are shared across organizationa...
116
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SACMAT
2009
ACM
15 years 8 months ago
2009
ACM
We develop the foundations for a theory of Group-Centric Secure Information Sharing (g-SIS), characterize a specific family of models in this arena and identify several direction...
105
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RBAC
1998
15 years 3 months ago
1998
The intricacy of security administration is one of the most challenging problems in large networked systems. This problem is especially serious in the Web environment, which consi...
124
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SACMAT
2009
ACM
15 years 8 months ago
2009
ACM
The recent emergence of mandatory access (MAC) enforcement for virtual machine monitors (VMMs) presents an opportunity to enforce a security goal over all its virtual machines (VM...