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CSFW
2004
IEEE
15 years 1 months ago
Cassandra: Flexible Trust Management, Applied to Electronic Health Records
We study the specification of access control policy in large-scale distributed systems. We present Cassandra, a language and system for expressing policy, and the results of a sub...
Moritz Y. Becker, Peter Sewell
CCS
2006
ACM
15 years 1 months ago
Secure information sharing enabled by Trusted Computing and PEI models
The central goal of secure information sharing is to "share but protect" where the motivation to "protect" is to safeguard the sensitive content from unauthori...
Ravi S. Sandhu, Kumar Ranganathan, Xinwen Zhang
CCS
2006
ACM
15 years 1 months ago
Safety and consistency in policy-based authorization systems
In trust negotiation and other distributed proving systems, networked entities cooperate to form proofs that are justified by collections of certified attributes. These attributes...
Adam J. Lee, Marianne Winslett
CCS
2008
ACM
15 years 2 days ago
A look in the mirror: attacks on package managers
This work studies the security of ten popular package managers. These package managers use different security mechanisms that provide varying levels of usability and resilience to...
Justin Cappos, Justin Samuel, Scott M. Baker, John...
CCS
2010
ACM
14 years 10 months ago
Detecting and characterizing social spam campaigns
Online social networks (OSNs) are popular collaboration and communication tools for millions of users and their friends. Unfortunately, in the wrong hands, they are also effective...
Hongyu Gao, Jun Hu, Christo Wilson, Zhichun Li, Ya...