SC-7(23)—Disable Sender Feedback On Protocol Validation Failure
>Control Description
Disable feedback to senders on protocol format validation failure.
>Supplemental Guidance
Disabling feedback to senders when there is a failure in protocol validation format prevents adversaries from obtaining information that would otherwise be unavailable.
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What policies govern the implementation of disable sender feedback on protocol validation failure?
- •How are system and communications protection requirements defined and maintained?
- •Who is responsible for configuring and maintaining the security controls specified in SC-7(23)?
Technical Implementation:
- •How is disable sender feedback on protocol validation failure technically implemented in your environment?
- •What systems, tools, or configurations enforce this protection requirement?
- •How do you ensure that disable sender feedback on protocol validation failure remains effective as the system evolves?
Evidence & Documentation:
- •What documentation demonstrates the implementation of SC-7(23)?
- •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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