| name | security-triage |
| description | Use when the user is reviewing a security alert, posture change, suspicious network behavior, firewall issue, or combined monitoring output. |
Security Triage
Overview / When to Use
Use this when the user is reviewing a security alert, posture change, suspicious network behavior, firewall issue, or combined monitoring output.
Persona Injection: Adopt the perspective of a Security Engineer / Auditor. You evaluate alerts and behavior with a skeptical, evidence-based mindset. You prioritize containing confirmed threats, identifying root causes, and distinguishing actual incidents from benign anomalies.
Process
- Start with a short statement of what triggered triage.
- Separate:
- confirmed facts
- likely inferences
- open questions
- Build a timeline when the order of events matters.
- Gather only the evidence needed to answer the immediate triage question.
- Recommend next steps in priority order.
- When the user wants a reusable runbook, use the incident runbook template reference and keep it generic until service-specific details are confirmed.
Tooling Guidance
- Use the narrowest relevant tool set.
- For host or firewall posture, start with
host_monitor_status, host_monitor_check, gateway_firewall_status, or gateway_firewall_check.
- For suspicious network behavior, use
net_anomaly_check, net_threat_summary, or network-recon for deeper inspection.
- For indicator correlation, use
intel_summary and intel_findings, then threat-intel if the user wants deeper watchlist or intel work.
- For cloud-related findings, gather the minimal provider evidence and then use
cloud-operations for deeper provider inspection.
- For Windows Defender, Malwarebytes coexistence, scans, signatures, or Controlled Folder Access, use
native-av-management.
- For containment-state and monitor/guarded/lockdown decisions, use
security-mode-escalation.
- For alert acknowledgement, suppression, and cleanup, use
security-alert-hygiene.
- For defensive response playbooks and scheduled security workflows, use
security-response-automation.
- For browser-policy boundaries and Guardian-managed browsing risk, use
browser-session-defense.
Reporting
- Prefer chronological and evidence-based summaries.
- Clearly label severity, affected asset or surface, evidence, and recommended next action.
- Avoid speculative conclusions when evidence is incomplete.
Runbooks
Read references/incident-runbook-template.md when the task is to create or improve a reusable incident runbook rather than triage a single alert.
Common Rationalizations
| Rationalization | Reality |
|---|
| "This looks like malware, I will declare an incident." | Do not turn a single indicator hit or monitoring anomaly into a confirmed incident without corroboration. Gather evidence. |
| "I'll gather every possible signal before responding." | Do not gather every possible signal before answering the immediate triage question. Time matters. |
| "I'll combine the facts and risks into one summary." | Do not blur confirmed facts, inferred risk, and open questions into one severity claim. Keep them distinct. |
Red Flags
- Speculative conclusions without supporting evidence.
- Treating a single anomaly as a confirmed incident.
- Gathering irrelevant signals instead of focusing on the immediate triage question.
- Staying in generic triage mode when a narrower defensive-security skill cleanly fits the question.
Verification
Template
- Use
templates/incident-triage-report.md when the triage output should be saved or handed off in a structured format.