In current extensible monolithic operating systems, loadable kernel modules (LKM) have unrestricted access to all portions of kernel memory and I/O space. As a result, kernel-modu...
Programmers of large-scale trusted systems need tools to simplify tasks such as replicating services or data. Group communication systems achieve this via various flavors of relia...
This paper presents the Authorization Service provided by Tivoli Policy Director (PD) and its use by PD family members as well as third-party applications. Policies are defined ov...
Access control is an important protection mechanism for information systems. An access control matrix grants subjects privileges to objects. Today, access control matrices are sta...
A method is described for the analysis and the verification of safety in software systems. The method offers a formal notation for describing the software structure, the means for ...