+SA-08(05) Efficiently Mediated Access
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SA-08(05) Efficiently Mediated Access
Control
Implement the security design principle of efficiently mediated access in [Assignement: systems or system components].
Discussion
The principle of efficiently mediated access states that policy enforcement mechanisms utilize the least common mechanism available while satisfying stakeholder requirements within expressed constraints. The mediation of access to system resources (i.e., CPU, memory, devices, communication ports, services, infrastructure, data, and information) is often the predominant security function of secure systems. It also enables the realization of protections for the capability provided to stakeholders by the system. Mediation of resource access can result in performance bottlenecks if the system is not designed correctly. For example, by using hardware mechanisms, efficiently mediated access can be achieved. Once access to a low-level resource such as memory has been obtained, hardware protection mechanisms can ensure that out-of-bounds access does not occur.
Assessment Objective
[Assignement: systems or system components] implement the security design principle of efficiently mediated access.
Assessment Method
Examine
System and services acquisition policy
procedures addressing the security design principle of efficiently mediated access used in the specification, design, development, implementation, and modification of the system
system design documentation
security and privacy requirements and specifications for the system
system security and privacy architecture
system security plan
other relevant documents or records
Interview
Organizational personnel with acquisition/contracting responsibilities
organizational personnel with the responsibility for determining system security and privacy requirements
organizational personnel with system specification, design, development, implementation, and modification responsibilities
system developers
organizational personnel with information security responsibilities
1. Oversigt
1.1 Referencer
1.2 Identificerede krav
1.3 Relaterede reguleringer
2. Identificerede krav
3. Relaterede reguleringer
Reguleringer
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Regulering |
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