These reports are intended to meet the needs of a broad range of users that need detailed information and assurance about the controls at a service organization relevant to security, availability, and processing integrity of the systems used by the organization to process users' data, as well as the confidentiality and privacy of the information processed by these systems. The version used in this section is 2017 Trust Services Criteria for Security, Availability, Processing Integrity, Confidentiality, and Privacy (last revisions made in March 2020).