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AU-6(8) AU · Audit and Accountability

Full Text Analysis of Privileged Commands

LOW MODERATE HIGH
1 Overlay 4 Related Controls
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Requirements NIST SOURCE

Perform a full text analysis of logged privileged commands in a physically distinct component or subsystem of the system, or other system that is dedicated to that analysis.

Discussion (NIST Supplemental Guidance)

Full text analysis of privileged commands requires a distinct environment for the analysis of audit record information related to privileged users without compromising such information on the system where the users have elevated privileges, including the capability to execute privileged commands. Full text analysis refers to analysis that considers the full text of privileged commands (i.e., commands and parameters) as opposed to analysis that considers only the name of the command. Full text analysis includes the use of pattern matching and heuristics.

Implementation Guidance

Engineering Interpretation

Original engineering commentary written for this explorer — not NIST source text and not authoritative guidance.

No engineering interpretation has been authored for AU-6(8) yet. This section is architected to receive it — see the Requirements and Assessment sections above for the authoritative NIST source content in the meantime.

Assessment

NIST SP 800-53A REV 5.2.0

Assessment Objectives

  1. a full text analysis of logged privileged commands in a physically distinct component or subsystem of the system or other system that is dedicated to that analysis is performed.

Examine

[SELECT FROM: Audit and accountability policy; procedures addressing audit review, analysis, and reporting; system design documentation; system configuration settings and associated documentation; text analysis tools and techniques; text analysis documentation of audited privileged commands; system security plan; privacy plan; other relevant documents or records].

Interview

[SELECT FROM: Organizational personnel with audit review, analysis, and reporting responsibilities; organizational personnel with information security and privacy responsibilities].

Test

[SELECT FROM: Mechanisms implementing the capability to perform a full text analysis of audited privilege commands].

Overlays

Showing the OT/ICS overlay for the parent control AU-6 — see the AU-6(8) entries within each baseline below.

OT/ICS Overlay SP 800-82r3

NIST SP 800-82r3 Appendix F, Table 22. Blank baseline means the control/control enhancement is not selected in that initial OT baseline.

LOW

Excluded — not selected in the OT baseline at this tier, though the standard SP 800-53 baseline includes the base control.

MODERATE

  • Base control: Included (matches standard baseline)
  • Included: (1) (3)

HIGH

  • Base control: Included (matches standard baseline)
  • Included: (1) (3) (5) (6)

STIGs & CCIs

No STIG checks or CCI mappings are currently loaded for AU-6(8). This section is architected to display, per product: STIG ID, Finding ID, Severity, Title, Description, Check, Fix, CCI, and NIST control mapping — but nothing is populated here until a real DISA STIG/CCI dataset is ingested.

Learn more about STIG/CCI integration →

Evidence

Potential Evidence — Derived

Categorized from the SP 800-53A "Examine"/"Test" artifact list above by keyword — not an authoritative NIST evidence list.

Policy

  • Audit and accountability policy
  • system security plan
  • privacy plan

Configuration

  • system design documentation
  • system configuration settings and associated documentation

Testing

  • Mechanisms implementing the capability to perform a full text analysis of audited privilege commands

Other Records

  • procedures addressing audit review, analysis, and reporting
  • text analysis tools and techniques
  • text analysis documentation of audited privileged commands
  • other relevant documents or records