688 search results - page 108 / 138 » A Calculus for Access Control in Distributed Systems |
COLCOM
2009
IEEE
14 years 1 months ago
2009
IEEE
— Sharing personal information and documents is pervasive in Web 2.0 environments, which creates the need for properly controlling shared data. Most existing authorization and po...
IPPS
2007
IEEE
14 years 3 months ago
2007
IEEE
Widely available and utilized Grid servers are vulnerable to a variety of threats from Denial of Service (DoS) attacks, overloading caused by flash crowds, and compromised client ...
SACMAT
2009
ACM
14 years 3 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...
ANSOFT
2002
13 years 9 months ago
2002
Web applications can be classified as hybrids between hypermedia and information systems. They have a relatively simple distributed architecture from the user viewpoint, but a comp...
CCS
2008
ACM
13 years 11 months ago
2008
ACM
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...