NIST SP 800-161 Rev 1
C-SCRM Family: Access Control

NIST SP 800-161 Rev 1 161R1-AC-20: Use of External Systems

Sets the terms under which organizational information may be processed on supplier and provider systems, and verifies them.

Maintained by Gerard BlokdykVerified against the published standard Control text last updated

What else in your programme already covers this

This control maps to 29 controls across 20 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.

  • MYHR-CUD-4 Records not held or taken outside Australia
  • MYHR-REG-4 Contracted service provider oversight
  • AM-2 Use only approved services
  • ASBv3-PA-8 Determine access process for cloud provider support

FedRAMP High · 2 controls

FedRAMP Moderate · 2 controls

NIST SP 800-171 Rev 3 · 2 controls

UK Cyber Essentials · 2 controls

  • CE-SC.6 Multi-Factor Authentication for Cloud Services
  • CE-SCOPE.2 Cloud Services in Scope
  • E8-MFA-ML1 Multi-Factor Authentication - Maturity Level 1

APPI · 1 control

  • AUCDR-PS-8 Privacy Safeguard 8 - Overseas disclosure of CDR data

C5 (Germany) · 1 control

  • C5-SSO-02 Risk assessment of service providers and suppliers

CMMC 2.0 · 1 control

DORA · 1 control

HIPAA Security Rule · 1 control

ISO 27001:2022 · 1 control

  • 5.23 Information security for use of cloud services

ISO 27002:2022 · 1 control

  • 5.23 Information security for use of cloud services

NIST SP 800-172 · 1 control

  • 3.1.2e Restrict Access to Organization-Owned, Provisioned, or Issued Information Resources

Every mapping shown was judged rather than inferred from wording similarity, and the ones that failed review are published too. See the coverage reports and what was rejected.

Other controls in C-SCRM Family: Access Control

You are reading one control. How much of NIST SP 800-161 Rev 1 have you already done?

NIST SP 800-161 Rev 1 161R1-AC-20 is one control. If you already hold one of the frameworks below, a reviewed crosswalk already says how much of NIST SP 800-161 Rev 1 your existing evidence covers. Hold C5 (Germany) and 94 of 191 NIST SP 800-161 Rev 1 controls already carry evidence.

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. 0 were rejected on the C5 (Germany) pair alone.

Query this from an agent

The graph holds this control, the 29 it maps to, and the evidence behind each claim, over MCP and REST.