48 search results - page 6 / 10 » Redundancy and information leakage in fine-grained access co... |
NSDI
2010
13 years 8 months ago
2010
We present Airavat, a MapReduce-based system which provides strong security and privacy guarantees for distributed computations on sensitive data. Airavat is a novel integration o...
SACMAT
2011
ACM
12 years 9 months ago
2011
ACM
Information leakage via the networks formed by subjects (e.g., Facebook, Twitter) and objects (e.g., blogosphere) − some of whom may be controlled by malicious insiders − ofte...
ITIIS
2010
13 years 5 months ago
2010
Forward Error Correction (FEC) techniques have been adopted to overcome packet losses and to improve the quality of video delivery. The efficiency of the FEC has been significantl...
CCS
2008
ACM
13 years 8 months ago
2008
ACM
Distance bounding protocols have been proposed for many security critical applications as a means of getting an upper bound on the physical distance to a communication partner. As...
CCS
2007
ACM
14 years 27 days ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...