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Interconnections between DoD directory services of different classification levels must use a cross-domain solution that is approved for use with inter-classification trusts.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-243482AD.0180SV-243482r959010_ruleCCI-000366high
Description
If a robust cross-domain solution is not used, then it could permit unauthorized access to classified data. To support secure access between resources of different classification levels, the solution must meet discretionary access control requirements. There are currently, no DOD- approved solutions. Further Policy Details: Do not define trust relationships between domains, forests, or realms with resources at different classification levels. The configuration of a trust relationship is one of the steps used to allow users in one AD domain to access resources in another domain, forest, or Kerberos realm. (This check does not apply to trusts with non-DoD organizations since these trusts are examined in a previous check.)
STIGDate
Active Directory Domain Security Technical Implementation Guide2026-02-11

Related Frameworks

1 mapping across 5 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (8) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

CFG-01Configuration Management Program
1.00
END-01Endpoint Device Management (EDM)
1.00
END-04Malicious Code Protection (Anti-Malware)
1.00
END-06Endpoint File Integrity Monitoring (FIM)
1.00
MON-01Continuous Monitoring
1.00
MON-01.7File Integrity Monitoring (FIM)
1.00
CFG-02Secure Baseline Configurations
0.50
CFG-02.7Approved Configuration Deviations
0.50
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (100) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

AC-12Session Termination
1.00
AC-16(1)Dynamic Attribute Association
1.00
AC-17(1)Monitoring and Control
1.00
AC-2Account Management
1.00
AC-2(1)Automated System Account Management
1.00
AC-2(11)Usage Conditions
1.00
AC-2(3)Disable Accounts
1.00
AC-2(4)Automated Audit Actions
1.00
AC-24(1)Transmit Access Authorization Information
1.00
AC-25Reference Monitor
1.00

+90 more (top 10 by confidence shown)

NIST 800-1710 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (2) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

3.4.1
1.00
3.4.2
1.00
CCI1 mapping
CCI-000366
1.00
NIST CSF 2.00 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (5) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

DE.CM-09
1.00
PR.PS-01
1.00
PR.DS-10
0.50
PR.PSPlatform Security
0.50
PR.PS-05
0.50

Who does this work

10 NICE work roles and 9 EC-Council certifications.

This is an inference across published mappings, not a single claim by anyone. This check maps to a control, which maps to a Cybersecurity Framework outcome, which NIST assigns to the work roles below. EC-Council separately maps its certifications to those same roles.

A certification prepares someone for a role. It is not evidence that a holder is qualified, and neither NIST nor EC-Council has stated that any certification here addresses this check.

Work-role assignments published by NIST (NICE Framework Components 2.2.0 and the CSF 2.0 OLIR crosswalk). Certification mappings published by EC-Council.

Details

Check Text (C-243482r959010_chk)

1. Refer to the list of identified trusts and the trust documentation provided by the site representative. (Obtained in V-8530) 2. For each of the identified trusts between DoD organizations, compare the classification level (unclassified, confidential, secret, and top secret) of the domain being reviewed with the classification level of the other trust party as noted in the documentation. 3. If the classification level of the domain being reviewed is different than the classification level of any of the entities for which a trust relationship is defined, then this is a finding.

Fix Text (F-46714r723480_fix)

Delete the trust relationship that is defined between entities with resources at different DoD classification levels.