660 search results - page 72 / 132 » History-Based Access Control and Secure Information Flow |
SACMAT
2006
ACM
14 years 3 months ago
2006
ACM
We introduce the concept, model, and policy-specific algorithms for inferring new access control decisions from previous ones. Our secondary and approximate authorization model (...
SOUPS
2009
ACM
14 years 4 months ago
2009
ACM
Online social network sites, such as MySpace, Facebook and others have grown rapidly, with hundreds of millions of active users. A new feature on many sites is social applications...
ESCIENCE
2006
IEEE
14 years 3 months ago
2006
IEEE
The ability to dynamically create and subsequently manage secure virtual organisations (VO) is one of the key challenges facing the Grid community. Existing approaches for establi...
CCS
2006
ACM
14 years 1 months ago
2006
ACM
Location-hidden services, as offered by anonymity systems such as Tor, allow servers to be operated under a pseudonym. As Tor is an overlay network, servers hosting hidden service...
CCS
2010
ACM
13 years 9 months ago
2010
ACM
We investigate techniques for general black-box mitigation of timing channels. The source of events is wrapped by a timing mitigator that delays output events so that they contain...