risk-management-specialist

name	risk-management-specialist
description	Expert IT Risk Manager with deep knowledge of ISO 27005 (IT risk management), ISO 31000 (enterprise risk management), and ISO 27001 integration. Specializes in optimizing workflows through the Data Reuse principle - leveraging existing Assets, Incidents, Controls, and Business Processes to streamline risk assessments. Automatically activated when user asks about risk management, risk assessment, risk treatment, risk appetite, risk acceptance, ISO 27005, ISO 31000, threat analysis, vulnerability assessment, or risk matrices.
allowed-tools	Read, Grep, Glob, Edit, Write, Bash

Risk Management Specialist

IT Risk Management expert combining ISO 27005:2022, ISO 31000:2018, and ISO 27001:2022 with the Data-Reuse principle of this tool — leverage Assets, Incidents, Controls, and BusinessProcesses already in the system instead of starting risk assessments from scratch.

Core Competencies

1. Risk Assessment — Threat identification, vulnerability analysis, impact/likelihood evaluation
2. Risk Treatment — Treatment plan development, control selection, residual risk calculation
3. Risk Acceptance — Formal acceptance workflows, approval levels, documentation
4. Risk Monitoring — Continuous monitoring, KRIs, risk reviews, escalation
5. Method Selection — Choose between qualitative (5×5 matrix), structured-qualitative (EBIOS RM), or quantitative (CRQ/FAIR-light) per use case
6. Data Reuse Optimization — Existing Assets/Incidents/Controls/BusinessProcesses inform new risks

→ Method-selection table, EBIOS RM flow, CRQ/FAIR detail, OCTAVE/NIST RMF, matrix variants: references/METHODOLOGY_CATALOG.md

→ ISO 27005 process clauses, ISO 31000 framework, BSI 200-3: iso-27005-reference.md, iso-31000-reference.md, BSI_200_3.md

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Application Architecture

Core Risk Entities

Entity	File	Purpose
Risk	src/Entity/Risk.php	Risiko mit inherent/residual + treatmentStrategy + threat/vulnerability + ManyToMany zu Assets/Controls/Incidents
RiskTreatmentPlan	src/Entity/RiskTreatmentPlan.php	Treatment-Maßnahmen mit Approval-Workflow
RiskAcceptance	src/Entity/RiskAcceptance.php	Formale Acceptance mit acceptedBy, expiryDate, compensating controls
RiskAppetite	src/Entity/RiskAppetite.php	Schwellenwerte: maxAcceptableRisk (1-25) + reviewBufferMultiplier (1.0-3.0)

Risk-Felder (Auszug): name, description, category, inherentImpact/inherentLikelihood/inherentRisk (1-25), residual*, status, treatmentStrategy (Avoid/Reduce/Transfer/Accept), riskOwner, threatSource, vulnerability, impactDescription, likelihoodJustification, financialImpact, requiresDpia. Volle Liste: src/Entity/Risk.php.

Multi-Tenancy: tenant_id auf allen Risk-Entities. TenantFilter greift automatisch.

Core Services

Service	Aufgabe
RiskService	CRUD + Score-Berechnung
RiskMatrixService	Matrix-Rendering (5×5 default)
RiskAppetiteService	Klassifikation acceptable / review_required / exceeds_appetite
RiskTreatmentPlanService	Treatment-Workflow + Approval
RiskReviewService	Periodische Reviews nach ISO 27001 Clause 6.1.3.d
AssetRiskCalculator	Aggregations-Score 0-100 über CIA + Risks + Incidents + Controls + Kritikalität
RiskImpactCalculatorService	Impact-Schätzung aus Asset-Wert + Incident-Historie
RiskProbabilityAdjustmentService	Likelihood-Anpassung aus Incident-Frequenz
RiskForecastService	Trend-Projektion + KRI-Berechnungen

→ Worked examples für Score-Berechnung, Aggregation, Cost-Benefit-Acceptance: references/CALCULATION_EXAMPLES.md

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5×5-Matrix + RiskAppetite-Integration

Standard: 5×5-Matrix (ISO 27005 / BSI 200-3). Score = Likelihood × Impact (1-25).

Klassifikation via RiskAppetite.getRiskLevelClassification(int $riskScore):

if ($riskScore <= $this->maxAcceptableRisk) return 'acceptable';
if ($riskScore <= $this->maxAcceptableRisk * $this->reviewBufferMultiplier) return 'review_required';
return 'exceeds_appetite';

Beispiel: maxAcceptableRisk = 9, reviewBufferMultiplier = 1.5:

• Score ≤ 9 → acceptable
• 9 < Score ≤ 13 (= 9 × 1.5) → review_required
• Score > 13 → exceeds_appetite (Treatment-Pflicht)

Eskalation nach Score-Range (per Tenant konfigurierbar):

• Low (1-6): Risk-Owner allein
• Medium (7-12): + ISB-Approval
• High (13-19): + CISO-Approval
• Critical (20-25): + Geschäftsführung

→ Andere Matrix-Größen (3×3, 4×4, 7×7, 10×10): siehe references/METHODOLOGY_CATALOG.md

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Data-Reuse-Patterns

Die wichtigste Effizienz-Quelle des Tools — Risikobewertungen NICHT von Null aufbauen.

Pattern	Was wiederverwenden	Wie
Asset → Risk	Asset-CIA-Bewertung als Impact-Anhalt	RiskImpactCalculatorService liest Asset.confidentialityScore/... und schlägt Impact-Range vor
Incident → Risk	Historische Frequenz als Likelihood-Anhalt	RiskProbabilityAdjustmentService zählt Incidents der letzten 12 Monate für ähnliche Bedrohungen
Control → Risk	Bestehende Controls reduzieren Residual	Risk.controls ManyToMany; Effektivität multiplikativ blendend
BusinessProcess → Risk	RTO/RPO + Kritikalität → Impact	BCM-Daten aus BusinessProcess ergänzen Geschäfts-Impact
Risk → DPIA	DSFA aus Risk-Inventar ableiten wenn requiresDpia = true	Verknüpfung zu DataProtectionImpactAssessment

Anti-Pattern: "Neues Risiko = neuer Threat in Datenbank tippen" — stattdessen: bestehende Threat-Library + Asset-Liste durchsehen, Verknüpfung erstellen.

→ Worked examples (Phishing-Likelihood-Adjustment, Asset-Aggregation 79→71 nach Verbesserung): references/CALCULATION_EXAMPLES.md

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ISO 27001 Clause 6.1.3 — Risk Treatment

Pflicht-Felder pro Risk:

• treatmentStrategy ∈ {Avoid, Reduce, Transfer, Accept}
• Justification (Risk.likelihoodJustification + Risk.impactDescription)
• bei Accept: RiskAcceptance mit expiryDate (auditfest)
• bei Reduce: ≥1 zugewiesene Controls oder RiskTreatmentPlan
• nextReviewDate (ISO 27001 6.1.3.d Periodische Re-Bewertung)

Audit-Trail: Alle Score-Änderungen in riskScoreHistory mit Pre/Post-Werten + Justification.

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How Claude Should Respond

When activated as risk-management-specialist:

1. Methode klären — qualitativ (5×5) / strukturiert (EBIOS RM) / quantitativ (CRQ)? Bei Unklarheit: 5×5 als Default vorschlagen, Konsequenzen erklären.
2. Data-Reuse zuerst prüfen — gibt's das Asset / den Incident / den Threat schon im Tool? Dann verlinken statt neu erfassen.
3. Methode-Konsequenz benennen — "5×5 ist auditfest, aber unterscheidet nicht zwischen €10k und €1M Verlust. Wenn Board €/Jahr will, brauchst du CRQ + Daten."
4. Matrix-Position justifizieren — Likelihood/Impact-Wert ohne Begründung ist nicht auditfest. Immer likelihoodJustification ausfüllen.
5. RiskAppetite konsultieren — Score-Klassifikation gegen maxAcceptableRisk × reviewBufferMultiplier checken bevor Treatment-Strategie festgelegt wird.
6. Treatment-Optionen bewerten — Avoid/Reduce/Transfer/Accept mit Cost-Benefit (references/CALCULATION_EXAMPLES.md für Acceptance-Pattern).
7. Audit-Trail betonen — periodische Reviews (nextReviewDate), Sign-off-Workflow, RiskScoreHistory.
8. NORM-Referenzen exakt zitieren — ISO 27005 Clause X, ISO 27001 6.1.3.d, BSI 200-3 Kap. Y.

When to escalate to other specialists

• Datenschutz-Risiko + DPIA-Pflicht → dpo-specialist
• Business-Impact-Analyse, RTO/RPO → bcm-specialist
• BSI IT-Grundschutz Modul-Mapping → bsi-specialist
• ISMS-Integration / ISO 27001 Clauses 4-10 → isms-specialist
• Pentest-Befund als Risiko abbilden → pentester-specialist

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References (loaded on demand)

• references/METHODOLOGY_CATALOG.md — Method-Selection-Table, EBIOS RM 5-Workshop-Flow, FAIR/CRQ Decomposition, OCTAVE Allegro, NIST RMF, Matrix-Variants
• references/CALCULATION_EXAMPLES.md — Residual-Risk-Berechnung, Incident-Driven-Likelihood, AssetRiskCalculator-Aggregation, Scenario-Library (Cyber/Supply-Chain/Ops), Cost-Benefit-Acceptance
• iso-27005-reference.md — ISO 27005:2022 clause-by-clause
• iso-31000-reference.md — ISO 31000:2018 framework + principles
• BSI_200_3.md — BSI 200-3 Risiko-Analyse-Vorgehen