FedRAMP Moderate
AC - Access Control

FedRAMP Moderate AC-21: Information Sharing

Enable authorized users to determine whether access authorizations match sharing restrictions.

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

What else in your programme already covers this

This control maps to 24 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.

PCI DSS 4.0 · 4 controls

  • 3.4.1 3.4.1 PAN masked on display except for authorized roles
  • 7.2.4 7.2.4 User accounts and privileges reviewed every six months
  • 7.2.5 7.2.5 Application and system accounts least privilege
  • 7.3.1 7.3.1 Need-to-know access control system covers all components

SOC 2 · 4 controls

  • SOC2-CC6.3 CC6.3 Role-based access, least privilege and segregation of duties
  • SOC2-CC6.7 CC6.7 Restricting and protecting information in transmission, movement and removal
  • SOC2-P5.1 P5.1 Data subject access
  • SOC2-P6.2 P6.2 Record of authorised disclosures
  • SEC03-BP07 Analyze public and cross-account access
  • SEC03-BP08 Share resources securely within your organization

CMMC 2.0 · 2 controls

APPI · 1 control

  • APPI-A27 Restriction on Provision to Third Parties
  • AUCDR-PS-6 Privacy Safeguard 6 - Use or disclosure of CDR data

DORA · 1 control

  • DORA-Art.45 Information-sharing arrangements on cyber threat information and intelligence

ISO 27001:2022 · 1 control

  • 5.14 Information transfer

ISO 27002:2022 · 1 control

  • 5.14 Information transfer

NIS2 Directive · 1 control

  • Art.29.4 Notify the competent authority of entry into and withdrawal from information-sharing arrangements
  • AC-21 AC-21 Information Sharing
  • AC-21 AC-21 Information Sharing

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-21 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 24 it maps to, and the evidence behind each claim, over MCP and REST.