ASR-02Assurance and Evidence

Populations are complete

Where a control is tested by sample, the population is defined and its completeness can be demonstrated.

Why it exists

A sample from an incomplete population proves nothing.

What usually proves it

Population definitions, extraction method, completeness argument.

Smaller organizations

Small populations tested whole.

Mapped to

  • Partially addressedSOC 2 Trust Services Criteria · CC4.1 — Evaluation is required; population completeness is an audit expectation rather than a criterion.
  • Partially addressedISO/IEC 27001 Annex A · 9.2 — Audit programme requirements.
  • Deliberately absentNIST Cybersecurity Framework — The Framework describes outcomes, not testing method.
  • Fully addressedPCI DSS · Testing procedures
  • Deliberately absentHIPAA Security Rule — No testing methodology defined.
  • Deliberately absentGDPR — No testing methodology defined.
  • Deliberately absentEU AI Act — Not addressed.
  • Deliberately absentNIST AI Risk Management Framework — Not addressed.