315 search results - page 22 / 63 » Supporting location-based conditions in access control polic... |
CCS
2006
ACM
14 years 6 days ago
2006
ACM
As more sensitive data is shared and stored by third-party sites on the Internet, there will be a need to encrypt data stored at these sites. One drawback of encrypting data, is t...
CSFW
2012
IEEE
11 years 11 months ago
2012
IEEE
—Role-based Access Control (RBAC) is one of the most widespread security mechanisms in use today. Given the growing complexity of policy languages and access control systems, ver...
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
Databases are increasingly being used to store information covered by heterogeneous policies, which require support for access control with great flexibility. This has led to incr...
SDMW
2005
Springer
14 years 1 months ago
2005
Springer
In this paper we present our authorization framework that supports the dynamic set-up of Web service federations for sharing data within virtual federations. Building on previous w...
CCS
2004
ACM
14 years 1 months ago
2004
ACM
We examine the problem of providing useful feedback about access control decisions to users while controlling the disclosure of the system’s security policies. Relevant feedback...