msolarczekandClaude Opus 5
c8e6f30a27
Unveränderter Stand von certvia/dev (a48c5fb) plus Craftvia-Spezifikation und Brandbook unter docs/craftvia/. ISMS-Module werden im Folgecommit entfernt. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2.6 KiB
2.6 KiB
Change and Patch Management Procedure
| Document information | Value |
|---|---|
| Document type | Procedure instruction (VA-04) |
| Scope | {{ISMS_SCOPE}} |
| Organisation | {{ORG_NAME}} |
| Process owner | {{ROLE_IT_LEAD}} |
| Approved by | {{ROLE_ISB}} |
| Version | {{DOC_VERSION}} |
| Date | {{DOC_DATE}} |
| Status | {{DOC_STATUS}} |
1. Purpose
This procedure governs planned changes to IT systems as well as the risk-oriented installation of patches. It operationalises the associated policy ({{LINK:R10}}).
2. Scope
Applies within the ISMS scope ({{ISMS_SCOPE_DESCRIPTION}}).
3. Trigger
Need for change, available patch or identified vulnerability (VA-06).
4. Inputs
- Change/patch request
- Risk assessment
- Patch SLA (BL-OPS-01)
5. Process
- Request & classify the change (standard/normal/emergency) in {{TOOL_TICKET}}.
- Risk/impact assessment incl. rollback plan.
- Approval by CAB/responsible role.
- Test in a separate environment (BL-OPS, R10).
- Implementation in production in accordance with the patch SLA (critical {{PATCH_SLA_CRIT}}).
- Verification & documentation of the result in {{TOOL_TICKET}}.
6. RACI
| # | Step | R (Execution) | A (Accountable) | C (Consulted) | I (Informed) |
|---|---|---|---|---|---|
| 1 | Request & classify the change | Requester | {{ROLE_IT_LEAD}} | - | - |
| 2 | Risk/impact assessment incl. rollback | {{ROLE_IT_LEAD}} | {{ROLE_IT_LEAD}} | {{ROLE_ISB}} | - |
| 3 | Approval by CAB/responsible role | {{ROLE_IT_LEAD}} | {{ROLE_IT_LEAD}} | {{ROLE_ISB}} | - |
| 4 | Test in a separate environment | {{ROLE_IT_LEAD}} | {{ROLE_IT_LEAD}} | - | - |
| 5 | Implementation in production per patch SLA | {{ROLE_IT_LEAD}} | {{ROLE_IT_LEAD}} | - | Affected parties |
| 6 | Verification & documentation of the result | {{ROLE_IT_LEAD}} | {{ROLE_ISB}} | - | - |
7. Result & evidence
Documented, approved and verified change/patch in {{TOOL_TICKET}}. Evidence is referenced in the central evidence register ({{LINK:NACHWEISREGISTER}}).
8. Key performance indicators (KPI)
- Patch compliance per criticality
- Share of successful changes (without rollback)
- Lead time of critical patches
9. Related documents
- Associated policy: {{LINK:R10}}
- {{LINK:VA-06}}
- Technical security baseline: {{LINK:BASELINE}}
- ISA mapping matrix: {{LINK:ISA_MAPPING}}