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SI-4(3) SI · System and Information Integrity

Automated Tool and Mechanism Integration

LOW MODERATE HIGH
1 Overlay 2 Related Controls
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Requirements NIST SOURCE

Employ automated tools and mechanisms to integrate intrusion detection tools and mechanisms into access control and flow control mechanisms.

Discussion (NIST Supplemental Guidance)

Using automated tools and mechanisms to integrate intrusion detection tools and mechanisms into access and flow control mechanisms facilitates a rapid response to attacks by enabling the reconfiguration of mechanisms in support of attack isolation and elimination.

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 SI-4(3) 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. automated tools and mechanisms are employed to integrate intrusion detection tools and mechanisms into access control mechanisms;
  2. automated tools and mechanisms are employed to integrate intrusion detection tools and mechanisms into flow control mechanisms.

Examine

[SELECT FROM: System and information integrity policy; system and information integrity procedures; access control policy and procedures; procedures addressing system monitoring tools and techniques; system design documentation; system monitoring tools and techniques documentation; system configuration settings and associated documentation; system audit records; system security plan; other relevant documents or records].

Interview

[SELECT FROM: System/network administrators; organizational personnel with information security responsibilities; organizational personnel installing, configuring, and/or maintaining the system; organizational personnel responsible for monitoring the system; organizational personnel responsible for the intrusion detection system].

Test

[SELECT FROM: Organizational processes for intrusion detection and system monitoring; mechanisms supporting and/or implementing the intrusion detection and system monitoring capability; mechanisms and tools supporting and/or implementing the access and flow control capabilities; mechanisms and tools supporting and/or implementing the integration of intrusion detection tools into the access and flow control mechanisms].

Overlays

Showing the OT/ICS overlay for the parent control SI-4 — see the SI-4(3) 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

  • Base control: Included (matches standard baseline)

MODERATE

  • Base control: Included (matches standard baseline)
  • Included: (2) (4) (5)

HIGH

  • Base control: Included (matches standard baseline)
  • Included: (2) (4) (5) (10) (12) (14) (20) (22)

STIGs & CCIs

No STIG checks or CCI mappings are currently loaded for SI-4(3). 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

  • System and information integrity policy
  • access control policy and procedures
  • system security plan

Configuration

  • system design documentation
  • system configuration settings and associated documentation

Testing

  • Organizational processes for intrusion detection and system monitoring
  • mechanisms supporting and/or implementing the intrusion detection and system monitoring capability
  • mechanisms and tools supporting and/or implementing the access and flow control capabilities
  • mechanisms and tools supporting and/or implementing the integration of intrusion detection tools into the access and flow control mechanisms

Other Records

  • system and information integrity procedures
  • procedures addressing system monitoring tools and techniques
  • system monitoring tools and techniques documentation
  • system audit records
  • other relevant documents or records