SC-7(20)

Requirement

Provide the capability to dynamically isolate [Assignment: organization-defined system components] from other system components.

Discussion

The capability to dynamically isolate certain internal system components is useful when it is necessary to partition or separate system components of questionable origin from components that possess greater trustworthiness. Component isolation reduces the attack surface of organizational systems. Isolating selected system components can also limit the damage from successful attacks when such attacks occur.

NIST 800-53A Assessment Guidance

Examine

[SELECT FROM: System and communications protection policy; procedures addressing boundary protection; system design documentation; system hardware and software; system architecture; system configuration settings and associated documentation; list of system components to be dynamically isolated/segregated from other components of the system; system audit records; system security plan; other relevant documents or records].

Interview

[SELECT FROM: System/network administrators; organizational personnel with information security responsibilities; system developer; organizational personnel with boundary protection responsibilities].

Test

[SELECT FROM: Mechanisms supporting and/or implementing the capability to dynamically isolate/segregate system components].

ID	Assessment Objectives
SC-07(20)	the capability to dynamically isolate <SC-07(20)_ODP system components> from other system components is provided.

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