SOC 1: Financial Reporting
- Purpose: SOC 1 reports focus on the internal controls of a service organization that are relevant to a user entity’s financial reporting. These reports are essential for organizations that handle financial transactions or data, such as payroll processors or payment services.
- Key Features:
- Evaluates controls related to financial reporting.
- Often used by auditors to assess the impact of a service organization’s controls on a company’s financial statements.
- Includes two types:
- Type I: Examines the design of controls at a specific point in time.
- Type II: Evaluates the operating effectiveness of controls over a period of time.
- Example: A payroll service provider undergoing a SOC 1 audit to ensure their systems accurately process and report payroll data.
SOC 2: Trust Services Criteria
- Purpose: SOC 2 reports assess the controls in place to protect data and ensure the security, availability, processing integrity, confidentiality, and privacy of systems. These are particularly relevant for technology and cloud service providers.
- Key Features:
- Based on the Trust Services Criteria (TSC), which include:
- Security: Protection against unauthorized access.
- Availability: Systems are operational and accessible as agreed.
- Processing Integrity: Data is processed accurately and reliably.
- Confidentiality: Sensitive information is protected.
- Privacy: Personal data is handled appropriately.
- Like SOC 1, it includes Type I and Type II reports.
- Based on the Trust Services Criteria (TSC), which include:
- Example: A cloud storage provider undergoing a SOC 2 audit to demonstrate their commitment to data security and privacy.
SOC 3: Public Assurance
- Purpose: SOC 3 reports are a simplified version of SOC 2 reports, designed for public distribution. They provide a high-level overview of an organization’s controls without the detailed information found in SOC 2.
- Key Features:
- Focuses on the same Trust Services Criteria as SOC 2.
- Does not include detailed testing results, making it suitable for sharing with a broader audience.
- Often used for marketing purposes to build trust with customers.
- Example: A software-as-a-service (SaaS) company sharing their SOC 3 report to assure customers of their security practices.
Each of these reports serves a specific purpose, depending on the organization’s needs and the audience they aim to address.

