Technical-Security-Documentation

Control Documentation Policy

1. Documentation Framework

Every control entry must include:

• [cite_start]Control ID: Cross-referenced to frameworks (e.g., ISO 27001 Annex A.5.1)[cite: 48].
• [cite_start]Ownership: Responsible department (Engineering, IT, HR)[cite: 49].
• [cite_start]Implementation Status: Not, Partially, or Fully Implemented[cite: 50].
• [cite_start]Control Type: Preventive, Detective, or Corrective[cite: 51].

2. Levels of Documentation

| Level | Document | Description | | :— | :— | :— | | Level 1 | Control Description | [cite_start]High-level narrative of objectives[cite: 54]. | | Level 2 | Design Specification | [cite_start]Technical configuration details (e.g., firewall rules)[cite: 54]. | | Level 3 | Operating Procedure | [cite_start]Step-by-step SOPs for execution[cite: 54]. | | Level 4 | Evidence of Operation | [cite_start]Logs, checklists, and audit trails[cite: 54]. |

3. Control Lifecycle Management

1. [cite_start]Drafting: Subject Matter Experts create documentation[cite: 57].
2. [cite_start]Validation: Internal Auditor verifies risk mitigation[cite: 58].
3. [cite_start]Approval: Information Security Committee formal approval[cite: 59].
4. [cite_start]Review: Annual review or upon infrastructure change[cite: 60].

4. Evidence Standards

• [cite_start]Retention: Level 4 evidence must be kept for a minimum of 3 years[cite: 63].
• [cite_start]Traceability: Controls must be traceable back to specific risks[cite: 67].
• [cite_start]Verifiability: Documentation must allow a third party to achieve the same results[cite: 68].
• [cite_start]Attestation: Manual logs must include the name, signature, and date of the performer[cite: 69].