| SOC 2 Type 2 report | An independent CPA firm, under AICPA standards | The period it covers and its end date, the services and trust services categories in scope, subservice organisations left out, and exceptions in the test results | Under an NDA, through one sharing route, logged |
| SOC 2 Type 1 report | An independent CPA firm, under AICPA standards | The single date it reports on; it covers the design of controls, not how they operated over a period | Under an NDA, through one sharing route, logged |
| SOC 3 report | An independent CPA firm, under AICPA standards | The same period and scope checks as the SOC 2 report | The AICPA calls it a general use report that can be freely distributed, so it can go before an NDA |
| ISO/IEC 27001:2022 certificate | A certification body, ideally one that is accredited | The edition, the expiry date and a scope statement that covers the service and sites; an accredited certificate can be checked on IAF CertSearch | The certificate on request; the Statement of Applicability under an NDA |
| Penetration test summary | The testing firm | The test dates, scope and tester, and that critical and high findings were fixed and retested | A summary or a letter from the tester, under an NDA; not the full report |
| Completed CAIQ in the STAR Registry | You, published through the Cloud Security Alliance (STAR Level 1) | Its version (v4.1 or v4.0) and date, and that its answers are still true | A link to the public registry entry |
| Cyber Essentials or Cyber Essentials Plus (UK) | Certification bodies licensed by IASME, the NCSC’s delivery partner | That it appears in IASME’s certificate search and covers the part of the organisation the customer deals with | The certificate on request |
| Policies and the sub-processor list | You | The current approved version, its owner and its review date | Under an NDA, or described in the answers |