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kaandgnshkaandgnsh/Claude-Blue/skills/security-governance/risk-register/SKILL.md

risk-register

Skill0 starsChanged 13 days agoMITView on GitHub

Build and maintain a cybersecurity risk register — risk statements (threat, vulnerability, asset, impact), inherent and residual ratings, treatment decisions, owners, key risk indicators and review cadence — aligned with NIST CSF 2.0 Govern, ISO/IEC 27005 and enterprise risk management. Use when creating or auditing a risk register, translating findings into risks, or preparing risk reporting for leadership.

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SKILL.md

Cybersecurity Risk Register

Write a proper risk statement

"[Threat] could exploit [vulnerability/condition] in [asset/process], resulting in [business impact]." Example: "Ransomware operators could exploit internet-exposed VPN appliances without timely patching to access the corporate network, resulting in multi-day outage of order processing and data-theft extortion."

A finding ("VPN patch missing") is not a risk; many findings roll up to one risk.

Register fields

FieldNotes
ID, title, statementAs above
Categorye.g., CSF 2.0 function / ERM taxonomy
Asset/process & ownerBusiness owner accepts risk, not IT
Inherent likelihood × impactOrganization's scale (e.g., 1–5) with defined criteria (financial bands, downtime hours, regulatory)
Existing controlsSpecific, with effectiveness evidence
Residual ratingAfter controls
TreatmentMitigate / transfer (insurance, contract) / avoid / accept
Plan & due dateLinked tickets
KRIsMeasurable indicators (patch latency for edge devices, % phishing-resistant MFA)
Appetite comparisonWithin/outside appetite
Review dateQuarterly for high risks

Quantitative option for top risks: FAIR (risk-quantification-fair).

Workflow

  1. Gather inputs: threat intel/profile, incidents, assessments, audit findings, vulnerability trends, business changes.
  2. Draft risks with owners in workshops; avoid > 30–50 active top-level risks.
  3. Rate consistently (calibration across raters); document rationale.
  4. Decide treatment with owners; acceptance above thresholds needs executive sign-off.
  5. Report: heat map + trend, top risks outside appetite, overdue treatments, KRIs breaching thresholds.

Related skills

risk-quantification-fair, maturity-assessment, security-exception-management, security-metric-definition

References

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