438 search results - page 40 / 88 » Activity-based Access Control Model to Hospital Information |
CCS
2008
ACM
14 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...
ACSAC
2003
IEEE
15 years 3 months ago
2003
IEEE
As computer infrastructures become more complex, security models must provide means to handle more flexible and dynamic requirements. In the Organization Based Access Control (Or...
ACSAC
2002
IEEE
15 years 2 months ago
2002
IEEE
We describe an approach to building security services for context-aware environments. Specifically, we focus on the design of security services that incorporate the use of securi...
ACSAC
2004
IEEE
15 years 1 months ago
2004
IEEE
Since attackers trust computer systems to tell them the truth, it may be effective for those systems to lie or mislead. This could waste the attacker's resources while permit...
OOPSLA
1992
Springer
15 years 1 months ago
1992
Springer
CACL is a protection scheme for objects that offers a simple and flexible model of protection and has an efficient, software-only implementation. The model, based on Access Contro...