IR-5(1)·high·Component: Incident ResponseWhat this control requires
Use automated tools (e.g., CIRCs, network monitoring systems) to track, collect, and analyze incident data in real time, improving response times and accuracy. This control supports the Automated Incident Tracking capability within the Incident Response family.
In plain English
Use automated tools (e.g., CIRCs, network monitoring systems) to track, collect, and analyze incident data in real time, improving response times and accuracy. In practice, this means you can prove you security management-level controls on a defined cadence.
Why it matters
SP 800-53 is the catalogue every U.S. federal authorisation (FedRAMP, FISMA, CMMC) and most regulated industries point at. A missing control surfaces as a Plan of Action & Milestones (POA&M) item that an Authorizing Official must approve before the Authority To Operate is granted or renewed.
This control is rated high. Auditors expect a named owner, a remediation SLA, and a tooling artefact that evidences continuous operation.
What an auditor looks for
A 3PAO (FedRAMP) or Independent Assessor (NIST RMF) tests against NIST SP 800-53A assessment procedures. For each control they expect a documented implementation that addresses every assessment objective (Examine, Interview, Test) and an implementation summary in the System Security Plan.
Within Incident Response, the assessor will trace your implementation back to the catalogue reference (Control IR-5(1)) and look for objective evidence on the latest two assessment cycles.
How to implement
Incident Response
Runbook. Maintain a runbook keyed by incident type with named roles (IC, comms, scribe), an out-of-band comms channel, and a 72-hour timeline for external notification.
Tabletop. Run a quarterly tabletop exercise (ransomware, insider, supply-chain) and feed gaps back into the runbook.
Network Security
AWS. VPC Flow Logs to S3, default-deny security groups, AWS Network Firewall for north-south, and Transit Gateway for hub-and-spoke segmentation.
Azure. NSGs with deny-by-default, Azure Firewall Premium with TLS inspection, Private Endpoints for PaaS, and Microsoft Defender for Cloud's secure score for drift.
GCP. VPC Service Controls perimeters around sensitive APIs, Cloud NGFW Enterprise for L7 inspection, Private Service Connect for managed services.
Operational checklist
- Security. Document the trigger, the owner and the cadence.
- Data. Document the trigger, the owner and the cadence.
- Network. Document the trigger, the owner and the cadence.
- Response. Document the trigger, the owner and the cadence.
- Real-Time. Document the trigger, the owner and the cadence.
- Scope: management, e, time, analysis, capability, tools, systems, response.
Evidence to collect
- Ticketing Workflow.
ticketing_workflowevidence
Workflow metrics (ServiceNow, Jira) show approvals and remediation. Focus: Automated Tracking, Data Collection, And Analysis.
Common pitfalls
- Runbooks that name a role but no person, or list a paging channel that no longer exists.
- Default-allow egress rules; East-West traffic with no segmentation; jump hosts on the public internet with password auth.
How it maps to other frameworks
Computed from shared tags, control component and key-operation subjects — handy when you are reconciling controls across an audit.
- NIST SP 800-171 Rev. 3 3.6.2 — Incident Monitoring, Reporting, and Response Assistance
- SOC 2 (2017 TSC) CC7.4 — Incident Response
- ISO/IEC 27001:2022 A.5.27 — Learning from information security incidents
Related controls in NIST SP 800-53 Rev. 5
- Control IR-4(1) — Automated Incident Handling Processes
- Control IR-4 — Incident Handling
- Control IR-10 — Integrated Information Security Analysis Team
- Control IR-6(1) — Automated Reporting
- Control IR-4(15) — Public Relations And Reputation Repair
- Control IR-4(6) — Insider Threats
References
- NIST Computer Security Resource Center — NIST SP 800-53 Rev. 5
- Catalogue identifier:
Control IR-5(1)
Topics: incident responsechange managementcontinuous monitoringnetwork security