FedRAMP Moderate
AC - Access Control

FedRAMP Moderate AC-20(1): Limits on Authorized Use

Permit use of external systems only after verifying security/privacy controls or approved connection agreement.

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

What else in your programme already covers this

This control maps to 27 controls across 16 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.

CIS Controls v8 · 5 controls

  • CIS-13.5 Manage Access Control for Remote Assets
  • CIS-15.3 Classify Service Providers
  • CIS-15.4 Ensure Service Provider Contracts Include Security Requirements
  • CIS-15.5 Assess Service Providers
  • CIS-15.6 Monitor Service Providers

ISO 27001:2022 · 3 controls

  • 5.20 Addressing information security within supplier agreements
  • 5.21 Managing information security in the information and communication technology (ICT) supply chain
  • 5.23 Information security for use of cloud services

ISO 27002:2022 · 3 controls

  • 5.19 Information security in supplier relationships
  • 5.20 Addressing information security within supplier agreements
  • 5.23 Information security for use of cloud services

SOC 2 · 3 controls

  • SOC2-CC6.6 CC6.6 Protection against threats from outside the system boundary
  • SOC2-CC9.2 CC9.2 Assessing and managing vendor and business partner risk
  • SOC2-P6.4 P6.4 Privacy commitments from vendors and third parties

NIST SP 800-161 Rev 1 · 2 controls

  • ANSSI-HYG-25 Secure Dedicated Network Interconnections with Partners
  • SEC03-BP09 Share resources securely with a third party
  • AM-2 Use only approved services

CMMC 2.0 · 1 control

NIST SP 800-172 · 1 control

  • 3.1.2e Restrict Access to Organization-Owned, Provisioned, or Issued Information Resources
  • AC-20(1) AC-20(1) Use of External Systems | Limits on Authorized Use
  • AC-20(1) AC-20(1) Use of External Systems | Limits on Authorized Use

PCI DSS 4.0 · 1 control

  • 12.8.3 12.8.3 Due diligence before engaging TPSPs

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 AC - Access Control

You are reading one control. How much of FedRAMP Moderate have you already done?

FedRAMP Moderate AC-20(1) is one control. If you already hold one of the frameworks below, a reviewed crosswalk already says how much of FedRAMP Moderate your existing evidence covers. Hold ISO 27002:2022 and 182 of 323 FedRAMP Moderate 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. 348 were rejected on the ISO 27002:2022 pair alone.

Query this from an agent

The graph holds this control, the 27 it maps to, and the evidence behind each claim, over MCP and REST.