– Maximizing consolidation ratio, the number of virtual machines (VMs) in a physical machine, without violating customers’ SLAs is an important goal in the cloud. We show that ...
— Organizations use security policies to regulate how they share and exchange information, e.g., under what conditions data can be exchanged, what protocols are to be used, who i...
Secure group communication protocols have been designed to meet needs such as secure management of group membership, confidential group communication, and access control. New lan...
This paper examines some questions concerning commercial computer security integrity policies. We give an example of a dynamic separation of duty policy which cannot be implemente...
We propose an efficient and flexible system for a secure and authentic data exchange in a multiinstitutional environment, where the institutions maintain different databases and p...
Arne Ansper, Ahto Buldas, Margus Freudenthal, Jan ...