We introduce the Symphony framework, a software ion layer that can sit on top of grid systems. Symphony provides a unified API for grid application developers and offers a graphic...
Virtual Organization (VO) is a collection of users and distributed resources, in which resources are shared by users. Creating VOs is very important task in Grid computing. VOs ar...
Psychological acceptability has been mentioned as a requirement for secure systems for as long as least privilege and fail safe defaults, but until now has been all but ignored in...
In most existing systems, the authorization check for system resource access is based on the user ID of the running processes. Such systems are vulnerable to password stealing/cra...
—The paper first discusses motivations why taking into account location information in authentication and access control is important. The paper then surveys current approaches t...