SC-7(13)—Boundary Protection | Isolation of Security Tools, Mechanisms, and Support Components
IL5
IL6
>Control Description
Isolate ⚙organization-defined information security tools, mechanisms, and support components from other internal system components by implementing physically separate subnetworks with managed interfaces to other components of the system.
>DoD Impact Level Requirements
No specific parameter values or requirements for this impact level.
>Discussion
Physically separate subnetworks with managed interfaces are useful in isolating computer network defenses from critical operational processing networks to prevent adversaries from discovering the analysis and forensics techniques employed by organizations.
>Related Controls
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What policies govern the implementation of isolation of security tools, mechanisms, and support components?
- •How are system and communications protection requirements defined and maintained?
- •Who is responsible for configuring and maintaining the security controls specified in SC-7(13)?
Technical Implementation:
- •How is isolation of security tools, mechanisms, and support components technically implemented in your environment?
- •What systems, tools, or configurations enforce this protection requirement?
- •How do you ensure that isolation of security tools, mechanisms, and support components remains effective as the system evolves?
- •What network boundary protections are in place (firewalls, gateways, etc.)?
- •How is separation of duties or partitioning technically enforced?
Evidence & Documentation:
- •What documentation demonstrates the implementation of SC-7(13)?
- •Can you provide configuration evidence or system diagrams showing this protection control?
- •What logs or monitoring data verify that this control is functioning correctly?
- •Can you provide network architecture diagrams and firewall rulesets?
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