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Active Directory Domain Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Access to need-to-know information must be restricted to an authorized community of interest.

    <VulnDiscussion>Because trust relationships effectively eliminate a level of authentication in the trusting domain or forest, they represent ...
    Rule Medium Severity
  • SRG-OS-000480

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

    &lt;VulnDiscussion&gt;If a robust cross-domain solution is not used, then it could permit unauthorized access to classified data. To support secure...
    Rule High Severity
  • SRG-OS-000480

    <GroupDescription></GroupDescription>
    Group
  • Each cross-directory authentication configuration must be documented.

    &lt;VulnDiscussion&gt;Active Directory (AD) external, forest, and realm trust configurations are designed to extend resource access to a wider rang...
    Rule Low Severity
  • A controlled interface must have interconnections among DoD information systems operating between DoD and non-DoD systems or networks.

    &lt;VulnDiscussion&gt;The configuration of an AD trust relationship is one of the steps used to allow users in one domain to access resources in an...
    Rule High Severity
  • SRG-OS-000104

    <GroupDescription></GroupDescription>
    Group
  • Security identifiers (SIDs) must be configured to use only authentication data of directly trusted external or forest trust.

    &lt;VulnDiscussion&gt;Under some circumstances it is possible for attackers or rogue administrators that have compromised a domain controller in a ...
    Rule Medium Severity
  • SRG-OS-000080

    <GroupDescription></GroupDescription>
    Group
  • Selective Authentication must be enabled on outgoing forest trusts.

    &lt;VulnDiscussion&gt;Enabling Selective Authentication on outbound Active Directory (AD) forest trusts significantly strengthens access control by...
    Rule Medium Severity

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