NIST SP 800-171 Rev 3
03.01 AC (Access Control)

NIST SP 800-171 Rev 3 03.01.03: Information Flow Enforcement

Enforce approved authorizations for controlling the flow of CUI within the system and between connected systems.

What else in your programme already covers this

This control maps to 39 controls across 23 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.

  • ASD37-08 Deny direct internet connectivity (Excellent)
  • ASD37-22 Network segmentation (Excellent)
  • ASD37-27 Outbound data loss prevention (Very Good)

CIS Controls v8 · 3 controls

  • CIS-13.4 Perform Traffic Filtering Between Network Segments
  • CIS-3.12 Segment Data Processing and Storage Based on Sensitivity
  • CIS-3.8 Document Data Flows
  • NS-1 Establish network segmentation boundaries
  • NS-2 Secure cloud services with network controls

FedRAMP High · 2 controls

  • AC-4 Information Flow Enforcement
  • AC-4(21) Physical or Logical Separation of Information Flows

FedRAMP Moderate · 2 controls

  • AC-4 Information Flow Enforcement
  • AC-4(21) Physical or Logical Separation of Information Flows

ISO 27001:2022 · 2 controls

  • 8.12 Data leakage prevention
  • 8.22 Segregation of networks
  • NIST-CSF-ID.AM-03 Representations of the organization's authorized network communication and internal and external network data flows are maintained
  • NIST-CSF-PR.IR-01 Networks and environments are protected from unauthorized logical access and usage

PCI DSS 4.0 · 2 controls

  • 1.3.1 Inbound traffic to CDE restricted
  • 1.3.2 Outbound traffic from CDE restricted
  • AUCDR-IS-3 Securely manage information assets over their lifecycle

C5 (Germany) · 1 control

  • C5-COS-06 Segregation of data traffic in jointly used network environments

CMMC 2.0 · 1 control

HIPAA Security Rule · 1 control

ISO 27002:2022 · 1 control

  • 8.12 Data leakage prevention

NIST SP 800-172 · 1 control

  • 3.1.3e Employ Secure Information Transfer Solutions
  • AC-4 Information Flow Enforcement
  • AC-4 Information Flow Enforcement

SOC 2 · 1 control

  • SOC2-CC6.7 Transmission of data is restricted to authorized users

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 03.01 AC (Access Control)

You are reading one control. How much of NIST SP 800-171 Rev 3 have you already done?

NIST SP 800-171 Rev 3 03.01.03 is one control. If you already hold one of the frameworks below, a reviewed crosswalk already says how much of NIST SP 800-171 Rev 3 your existing evidence covers. Hold PCI DSS 4.0 and 69 of 97 NIST SP 800-171 Rev 3 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 PCI DSS 4.0 pair alone.

Query this from an agent

The graph holds this control, the 39 it maps to, and the evidence behind each claim, over MCP and REST.