NIST SP 800-53 Rev 5
SC - System and Communications Protection

NIST SP 800-53 Rev 5 NIST800-SC-20: Secure name/address resolution service

Requires the system, when it is the authoritative source for name resolution, to return origin authentication and integrity artefacts with its responses, and within a hierarchical namespace to publish the security status of delegated child zones so a chain of trust between parent and child can be verified.

Other controls in SC - System and Communications Protection

You are reading one control. How much of NIST SP 800-53 Rev 5 have you already done?

NIST SP 800-53 Rev 5 NIST800-SC-20 is one control. If you already hold one of the frameworks below, a reviewed crosswalk already says how much of NIST SP 800-53 Rev 5 your existing evidence covers. Hold ISO 27001:2022 and 163 of 300 NIST SP 800-53 Rev 5 controls already carry evidence.

If you hold ISO 27001:202254.3% covered · 137 gapsIf you hold ISO 27002:202236.7% covered · 190 gapsIf you hold Cloud Security Alliance Cloud Controls Matrix (CCM) v4.0.134.3% covered · 197 gapsIf you hold CIS Controls v834% covered · 198 gapsIf you hold NIST SP 800-171 Rev 334% covered · 198 gapsIf you hold C5 (Germany)32.3% covered · 203 gaps

Each report names every control your existing framework evidences, every one it does not, the reasoning behind each claim, and the claims that were argued against and rejected. 342 were rejected on the ISO 27001:2022 pair alone.

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Query this from an agent

The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.

MCP endpointAll NIST SP 800-53 Rev 5 controls