Introduction

Businesses of all sizes and across industries increasingly rely on third-party service providers for various operational functions. These providers often handle sensitive data, making it crucial to assess their security measures. Service Organization Control 2 (SOC 2) reports offer comprehensive insights into a vendor's security controls. In this article, we will demystify the key elements of a SOC 2 report and how to interpret them effectively to evaluate vendor reliability.

The Significance of SOC 2 Reports

SOC 2 audits have emerged as the gold standard for businesses to establish trust and unlock sales. Most security professionals know the details of earning these reports. However, deciphering the critical information within the SOC 2 reports can pose a challenge. By analyzing the technical details and security configurations of a SOC 2 report, businesses can assess the security risks of their vendors and confirm that they have basic security practices in place to safeguard sensitive information.

Sections of the SOC 2 Report

Typically, a SOC 2 report consists of four main sections, with an optional fifth section:

  1. Independent Service Auditor's Report
  2. Management's Assertion
  3. Description of the system
  4. Trust Services Criteria and Related Controls
  5. Other information provided by management (optional)

Section 1: Independent Service Auditor's Report

This section provides an overview of the audit results. It contains the independent service auditor's opinion, outlining whether the audited organization passed the assessment. There are two common opinion types: qualified and unqualified. A qualified opinion means at least one issue was found during the evaluation, while an unqualified opinion indicates no issues were found.

Section 2: Management's Assertion

In this section, the audited company asserts that they prepared the system description accurately and the controls were suitably designed. While it doesn't contain technical details, it serves as an acknowledgment from the management that the provided information was accurate.

Section 3: Description of the System

Often the longest and most crucial section to read, it outlines the actual scope of the SOC 2 examination. Here, you'll find the overview of services provided, principal service commitments, system requirements, and components of the system, among others. If, for example, a vendor mentions they utilize Microsoft to host their applications, but nothing within Section 3 mentions Microsoft, then SOC 2 is irrelevant to your organization.

Section 4: Trust Services Criteria and Related Controls

This section, which is most commonly turned to, lists all the controls evaluated in the SOC 2 examination, including the auditor's test steps and results. It's essential to review the control activities and assess their effectiveness. Pay particular attention to any control where exceptions are identified.

Section 5: Other Information Provided by Management

This optional section may contain responses to any exceptions or deviations identified in the SOC 2 report, providing additional context to help understand the circumstances surrounding the issues identified by auditors.

The Importance of Vendor Management

Vendor management has gained significant importance due to the rise of outsourcing tasks or entire functions to service providers. Simple questionnaires and contractual clauses are often insufficient for critical vendors; businesses must obtain an independent SOC report for effective vendor due diligence. A SOC report assures the internal controls over financial reporting and controls relevant to a service organization's security, availability, processing integrity, confidentiality, privacy, and cybersecurity risk management program.

Vendor Pressure for Obtaining a SOC Report

While there's no strict requirement for vendors to obtain a SOC report, the need for such a report often comes from the vendors' clients and prospects. Therefore, informing the vendor about your due diligence criteria and requirements is crucial.

Reviewing a SOC Report

When reviewing a SOC report, consider the issuer of the report, report dates, description of system and services, auditor opinion, and noted exceptions. Not all auditors are qualified to issue SOC 2 reports, so ensure the auditor is a reputable firm. Check the report dates to ensure it covers the needs of your business. Review the description of the system and services to understand the services offered by the vendor. Understand the auditor's opinion and consider any qualifications or exceptions in the report.

Conclusion

A SOC 2 report is vital for evaluating a vendor's security measures. Organizations that achieve SOC compliance demonstrate that their IT security is trustworthy, elevating their position in the marketplace. By understanding how to navigate and interpret a SOC 2 report, businesses can effectively evaluate the security of critical vendors in their supply chain.

Joshua Ivy, Information Security Analyst

Joshua is a new addition to the TraceSecurity team, bringing with him a wealth of experience from 20 years of service in the US Navy, with his last two years spent as an ISSM in Virginia Beach. He currently holds multiple industry certifications, most notably, CompTIA Security+, Pentest+, CySA, and is looking forward to graduating with a Bachelor's in Cybersecurity Technologies by the end of 2024. At TraceSecurity, he primarily focuses on penetration tests, risk assessments, and IT security audits.