SOC 2
System and Organization Controls 2 — AICPA / CIMA
Also known as: SOC2, SOC 2 Type II, SOC 2 Type I, Trust Services Criteria, TSC, AICPA SOC 2
At a glance
- Status
- In force
- Next deadline
- None announced
- Who must comply
- Service organizations whose customers and business partners need assurance about controls over security, availability, processing integrity, confidentiality or privacy. source
- How it is assessed
- A CPA examines management's description of the system and its controls and issues a SOC 2 report. source
- Written by
- The AICPA's Assurance Services Executive Committee (ASEC) sets the Trust Services Criteria; the AICPA promulgates the professional standards for SOC engagements, which CPAs perform. source source
- Last change
Audit framework for service organizations, built on the AICPA Trust Services Criteria for security, availability, processing integrity, confidentiality, and privacy. Widely requested by enterprise buyers as evidence of a vendor's controls.
Recent changes
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Info
AICPA publishes Proposed 2027 SOC 2 Trust Services Criteria and expands guidance on SOC services
The AICPA has expanded its SOC suite resources page with several new materials, including Proposed 2027 SOC 2 Trust Services Criteria exposure drafts, ethics staff insights …
Key dates
No upcoming datesVersion history
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2017 Trust Services Criteria (With Revised Points of Focus – 2022) RevisionCurrent
The 2017 Trust Services Criteria with points of focus revised in 2022; the criteria cover security, availability, processing integrity, confidentiality and privacy. source
Who it applies to
SOC 2 is a CPA's examination of a service organization's controls, often requested by its customers and business partners.
- Who asks for it
- Customers and business partners of a service organization often request a SOC 2 report to assess the risks of outsourcing to it. source
- Categories
- Controls are evaluated against criteria for security, availability, processing integrity, confidentiality and privacy. source
- Scope
- The criteria can be applied to an entire entity, or to a subsidiary, division or other part of it. source
- SOC 3
- A SOC 3 report is a general-use report on the same categories, covered by the same AICPA guide. source
How compliance is assessed
A CPA examines management's description of the system and its controls and issues a SOC 2 report.
- Examination
- A SOC 2 engagement is an assertion-based examination of a service organization's description of its system and of its controls relevant to the five categories. source
- Criteria used
- The CPA uses the 2017 Trust Services Criteria to evaluate controls and the 2018 description criteria to evaluate management's description of the system. source
- Who performs it
- CPAs in public practice perform SOC 2 and SOC 3 examinations. source
Enforcement and penalties
The AICPA acts on the quality of the CPAs who perform SOC engagements.
- Auditor quality
- Responding to allegations about a SOC compliance vendor, the AICPA said it will act with respect to its members if auditors are found not to have performed audits under professional standards, not to be enrolled in peer review or to be unlicensed. source
- Referrals
- The AICPA assists government regulators, including referrals to state boards of accountancy, about unlicensed firms and practitioners. source
Documents
Verified against official sources on 18 October 2026. We monitor the official sources for this framework. Watching since 7 September 2026. Subscribe to SOC 2 (RSS)