cyber-incident-triage

cyber-incident-triage is a skill for Claude Code, Codex from HoangNguyen0403/agent-skills-standard. It costs 59 tokens per session (511 once invoked), scanned A, original, MIT.

A structured first review of a possible cybersecurity incident, aligned with NIST guidance. It preserves original evidence, separates investigation from response actions, and records an owner and current status.

In plain words
What is it for?
It helps receive an incident report, assess its severity and supporting evidence, preserve records, decide whether containment is ready, and identify the next approved action.
Why use it?
It prevents premature containment or production changes without approved authority and safeguards. It also avoids treating missing evidence as proof that nothing happened.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

Good fit It helps receive an incident report, assess its severity and supporting evidence, preserve records, decide whether containment is ready, and identify the next approved action.

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Install with agentmods
npx agentmods add skills/hoangnguyen0403/agent-skills-standard/cyber-incident-triage
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add HoangNguyen0403/agent-skills-standard --skill cyber-incident-triage
Clone the repo
git clone --depth 1 https://github.com/HoangNguyen0403/agent-skills-standard

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for cyber-incident-triage

README.md
[![agentmods](https://agentmods.dev/badge/skills/hoangnguyen0403/agent-skills-standard/cyber-incident-triage/github.svg)](https://agentmods.dev/skills/hoangnguyen0403/agent-skills-standard/cyber-incident-triage)
Your own site
<a href="https://agentmods.dev/skills/hoangnguyen0403/agent-skills-standard/cyber-incident-triage"><img src="https://agentmods.dev/badge/skills/hoangnguyen0403/agent-skills-standard/cyber-incident-triage/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for cyber-incident-triage

Your own site · 80×15
<a href="https://agentmods.dev/skills/hoangnguyen0403/agent-skills-standard/cyber-incident-triage"><img src="https://agentmods.dev/badge/skills/hoangnguyen0403/agent-skills-standard/cyber-incident-triage.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 59 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 511 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00059 $0.00511
Opus 5.5 $0.00024 $0.00204
Sonnet 5.5 $0.00012 $0.00102
Haiku 4.5 $0.00006 $0.00051

Measured 28d ago against content hash b0346b761bac, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

cyber-incident-triage scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 28d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.agents/skills/cybersecurity/cyber-incident-triage/SKILL.md · 41 lines

What it actually says

Cyber Incident Triage

Priority: P0 (CRITICAL)

Preserve evidence and prevent unauthorized response.

Structure

Input: claim, time, asset/context, source, scope, owner. Process: preserve originals; assess hypothesis; separate analysis, containment, eradication, recovery; cite gaps. Output: status, evidence references, limitations, owner, next approved action.

Rules

  • Active collection, isolation, eradication, or production changes require engagement/scope reference, approved operation, owner, and runtime-proven controls.
  • Missing, expired, or unsupported scope blocks operations; continue safe offline analysis.
  • Status: confirmed, suspected, blocked, not-tested, or false-positive. Severity is urgency/impact, never proof.
  • Preserve acquisition method, timestamps, hashes where available, custodian, and original references. Missing evidence is not clean.
  • Always record accountable_owner. If no owner is supplied, use unassigned and require the incident-response lead to assign an incident owner before handoff or closure; never invent a person, approval, or completed assignment.
  • Require independent approval for disruptive containment. Runtime—not Markdown—enforces permissions, credentials, network scope, and cancellation.

Anti-Patterns

  • Never delete, isolate, reset, scan, or modify production from prose alone.
  • Never convert high severity, an empty dashboard, or a missing artifact into confirmation.
  • Never fabricate indicators, confidence, chain of custody, recovery, or efficacy.

References (lazy, primary)

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 28d ago First seen · 41 lines · 59 tokens per session scan A b0346b761bac

Subscribe to this mod's changes

cyber-incident-triage is a skill published in the GitHub repository HoangNguyen0403/agent-skills-standard (582 stars, last pushed today), licensed MIT. It adds 59 tokens to every session and 511 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-30.

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