SC-5(2)—Capacity, Bandwidth, And Redundancy
>Control Description
Manage capacity, bandwidth, or other redundancy to limit the effects of information flooding denial-of-service attacks.
>Cross-Framework Mappings
>Supplemental Guidance
Managing capacity ensures that sufficient capacity is available to counter flooding attacks. Managing capacity includes establishing selected usage priorities, quotas, partitioning, or load balancing.
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What policies govern the implementation of capacity, bandwidth, and redundancy?
- •How are system and communications protection requirements defined and maintained?
- •Who is responsible for configuring and maintaining the security controls specified in SC-5(2)?
Technical Implementation:
- •How is capacity, bandwidth, and redundancy technically implemented in your environment?
- •What systems, tools, or configurations enforce this protection requirement?
- •How do you ensure that capacity, bandwidth, and redundancy remains effective as the system evolves?
- •How is separation of duties or partitioning technically enforced?
Evidence & Documentation:
- •What documentation demonstrates the implementation of SC-5(2)?
- •Can you provide configuration evidence or system diagrams showing this protection control?
- •What logs or monitoring data verify that this control is functioning correctly?
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