LLMResponse AC.L2-3.1.4.b

Ranking Evidence Types for Assessment Objective [b]

For the assessment objective "[b] responsibilities for duties that require separation are assigned to separate individuals," here's the ranking of evidence types supported by assessment objects:

Evidence Type Ranking

1. **Artifacts (highest value)**

  - User account listings with role assignments
  - System access authorizations showing different individuals assigned to separated duties
  - Access control matrices demonstrating separation implementation
  - Change management records showing different people involved in change processes

2. **Documents**

  - Procedures documenting how duties are assigned to different individuals
  - Organization charts showing actual staff assignments to roles
  - Job descriptions that specify individual responsibilities
  - Staff assignment records demonstrating separation of duties

3. **Screen Share**

  - Live demonstration of access control systems showing individual assignments
  - Viewing system configurations showing how different accounts have separate privileges

4. **Physical Review (lowest value)**

  - On-site verification of work arrangements supporting separation
  - Observation of individuals performing different roles in critical processes

Assessment Approach Prioritization

For assessment objective [b], I recommend prioritizing the approaches as follows:

1. **Interview (highest priority)**

  - Start by interviewing personnel with responsibilities for defining divisions of responsibility
  - Talk with system administrators who implement access controls
  - Interview security personnel about how they ensure proper separations
  - These interviews provide direct evidence of how responsibilities are assigned in practice

2. **Examine**

  - Review staff assignment documentation
  - Check system access authorizations for different individuals
  - Analyze role assignments across the organization
  - This documentation validates what was learned in interviews

3. **Test (supplementary)**

  - Test system access controls to verify different individuals have appropriate access
  - Attempt to perform incompatible functions using different accounts
  - This testing confirms that technical controls enforce the separation of individuals

This prioritization focuses first on understanding how separations are actually implemented through personnel assignments, then verifies this through documentation, and finally confirms through technical verification that the separations are enforced.