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Designing Trusted Operating Systems Operating Systems
Designing Trusted Operating Systems Operating Systems

... Trusted software- software portion of system that can be relied upon to enforce security policy Trusted computing base – set of all protection mechanisms within a computing system that enforce a nified security policy Trusted system – system that employs sufficient hardware and software integrity me ...
View File
View File

... • imposes security by limiting which such connections are allowed • once created usually relays traffic without examining contents • typically used when trust internal users by allowing general outbound connections • SOCKS commonly used for this ...
BUILDING INTO A MULTILEVEL FILE TRUST
BUILDING INTO A MULTILEVEL FILE TRUST

... provide the usual range of capabilities: memory management services, process management, UO device management, and file system services. The purpose of this paper is to examine how one of these services, a multilevel file system, can be designed to utilize the trust that has been achieved in the sec ...
Calhoun: The NPS Institutional Archive
Calhoun: The NPS Institutional Archive

... provide the usual range of capabilities: memory management services, process management, UO device management, and file system services. The purpose of this paper is to examine how one of these services, a multilevel file system, can be designed to utilize the trust that has been achieved in the sec ...
it user svq – level 2
it user svq – level 2

... o Access control devices (e.g. locks, biometric controls, CCTV); o Limiting visibility of data (e.g. by positioning of monitors, using encryption); o Shielding (e.g. cable screening, Faraday cages); ...
cisco.camre.ac.uk
cisco.camre.ac.uk

... While no one would wish to live in a society with a ‘Big Brother ‘figure watching every move, it is natural for people to desire the assurance that the working environment and all systems are safe. ...
Orange Book Summary - UMBC Center for Information Security and
Orange Book Summary - UMBC Center for Information Security and

... This document is a summary of the US Department of Defense Trusted Computer System Evaluation Criteria, known as the Orange Book. Although originally written for military systems, the security classifications are now broadly used within the computer industry, You can get further information on the O ...
Orange
Orange

... This document is a summary of the US Department of Defense Trusted Computer System Evaluation Criteria, known as the Orange Book. Although originally written for military systems, the security classifications are now broadly used within the computer industry, You can get further information on the O ...
Public Presentation - Academic Conferences
Public Presentation - Academic Conferences

... – Saps funds and attention with little accountability – Implied accreditation shortcut inhibit warnings – Subsidized contribution drive out system solutions  Hard problems for MLS systems remain – Encryption “opiate of the naive” needs trusted control – No security hardware, e.g., TPM, composition ...
Slide 1
Slide 1

... SNAP extends recent advancements in multi-level computing to the network, including high-assurance, multi-level network ...
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Multilevel security

Multilevel security or multiple levels of security (MLS) is the application of a computer system to process information with incompatible classifications (i.e., at different security levels), permit access by users with different security clearances and needs-to-know, and prevent users from obtaining access to information for which they lack authorization. There are two contexts for the use of Multilevel Security. One is to refer to a system that is adequate to protect itself from subversion and has robust mechanisms to separate information domains, that is, trustworthy. Another context is to refer to an application of a computer that will require the computer to be strong enough to protect itself from subversion and possess adequate mechanisms to separate information domains, that is, a system we must trust. This distinction is important because systems that need to be trusted are not necessarily trustworthy.
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