Cyber Posture

NIST 800-53 r5 · Controls catalogue · Family IR

IR-4Incident Handling

Implement an incident handling capability for incidents that is consistent with the incident response plan and includes preparation, detection and analysis, containment, eradication, and recovery; Coordinate incident handling activities with contingency planning activities; Incorporate lessons learned from ongoing incident handling activities into incident response procedures, training, and testing, and implement the resulting changes accordingly; and Ensure the rigor, intensity, scope, and results of incident handling activities are comparable and predictable across the organization.

Last updated: 09 May 2026 03:25 UTC

Implementations targeting this control (1)

ATT&CK techniques this control mitigates (0)

Weaknesses this control addresses (4)AI

CWEs ranked by how often they appear in real CVEs. The rationale describes how this control reduces exploitability of each weakness class.

CWE Name CVEs Why this control addresses it
CWE-703Improper Check or Handling of Exceptional Conditions146Incident handling capability directly provides structured checking and response actions for security incidents as exceptional conditions.
CWE-391Unchecked Error Condition23Formal incident handling procedures enforce checking and acting on error conditions that could indicate security incidents.
CWE-778Insufficient Logging23Detection and analysis phases require sufficient logging to identify and investigate incidents, addressing insufficient logging.
CWE-390Detection of Error Condition Without Action14The containment, eradication, and recovery steps ensure detected incidents trigger concrete actions rather than no response.

Top CVEs where this control is the strongest mitigation

CVE Risk CVSS EPSS Match
No CVEs annotated to this control yet — the per-CVE backfill is in progress.

Other controls in family IR

IR-1 IR-10 IR-2 IR-3 IR-5 IR-6 IR-7 IR-8 IR-9