What Are the Key Requirements for Achieving SOC 2 Compliance?

Enterprise buyers in the U.S. no longer take a vendor's word for it. Before signing a contract, procurement and security teams ask for one document: a SOC 2 report. If your company stores, processes, or transmits customer data in the cloud, that report has quietly become the price of admission to serious deals.

This article breaks down what SOC 2 actually requires, how the Trust Services Criteria work, and where most organizations get tripped up on the way to their first report.

What Is SOC 2 Compliance?

SOC 2 (System and Organization Controls 2) is an attestation framework created by the American Institute of Certified Public Accountants (AICPA). It evaluates how a service organization protects customer data across five criteria: security, availability, processing integrity, confidentiality, and privacy.

Unlike a certification with a pass/fail checklist, SOC 2 results in a report , an independent CPA firm's opinion on whether your controls are suitably designed (Type 1) and operating effectively over time (Type 2).

Purpose of SOC 2

SOC 2 exists to answer one question for your customers: can this vendor be trusted with our data? The report gives enterprise buyers, auditors, and regulators objective evidence instead of a vendor's self-reported claims. It's built around the idea that trust should be verifiable, not assumed.

Who Needs SOC 2 Compliance?

SOC 2 is most relevant for SaaS companies, cloud hosting providers, data centers, fintech platforms, healthcare tech vendors, and any B2B company handling client data on shared infrastructure. If your sales team keeps fielding security questionnaires from prospects, that's usually the clearest signal it's time.

Understanding the Key Requirements for SOC 2 Compliance

Overview of SOC 2 Requirements

There's no fixed checklist published by the AICPA , that's a common misconception. Instead, SOC 2 requirements are built around control objectives your organization defines, then proves through evidence. The starting point is always the same: identify which Trust Services Criteria apply to your business, design controls that satisfy them, and operate those controls consistently enough that an auditor can verify it.

AICPA Trust Services Criteria

The Trust Services Criteria (TSC) form the backbone of every SOC 2 engagement. Security is mandatory for all reports; the remaining four criteria are added based on what your business promises customers. A payment processor, for example, will almost always add Processing Integrity. A healthcare SaaS platform will likely add Privacy.

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The Five Trust Services Criteria

Security

Also called the Common Criteria, Security covers protection against unauthorized access , both physical and logical. This includes access controls, firewalls, intrusion detection, encryption, and incident response procedures. Every SOC 2 report includes this criterion; there's no opting out.

Availability

This criterion examines whether your systems are accessible for operation and use as agreed upon , think uptime commitments, disaster recovery planning, and infrastructure monitoring. It matters most for companies whose SLAs promise specific uptime percentages.

Processing Integrity

Processing Integrity looks at whether system processing is complete, valid, accurate, timely, and authorized. It's a natural fit for companies handling financial transactions, billing, or any workflow where an error in data processing could directly harm a customer.

Confidentiality

This criterion applies to information designated as confidential , contracts, business plans, intellectual property, or other sensitive data that isn't necessarily personal in nature. Controls here typically involve encryption, access restriction, and secure disposal practices.

Privacy

Privacy addresses the collection, use, retention, disclosure, and disposal of personal information, aligned with an organization's stated privacy notice. Companies handling significant volumes of personal data , healthcare, HR tech, consumer apps , usually include this criterion.

Common Controls Required for SOC 2 Compliance

Administrative Controls

These are the policies and governance structures that set the tone for everything else: information security policies, employee onboarding and offboarding procedures, vendor risk management, incident response plans, and security awareness training.

Technical Controls

Technical controls are where most of the audit evidence comes from , multi-factor authentication, encryption in transit and at rest, logging and monitoring, vulnerability scanning, patch management, and network segmentation.

Physical Controls

Even in a cloud-first world, physical security still counts. This covers data center access restrictions, badge systems, visitor logs, and environmental safeguards for any owned infrastructure or office space where sensitive data is accessed.

Defining the Scope of Your SOC 2 Audit

Systems and Services in Scope

Scoping determines which systems, applications, and infrastructure the audit will actually examine. A narrow, well-defined scope , your production environment and the specific service you sell customers , is usually far more manageable than trying to cover every internal system on day one.

Selecting Applicable Trust Services Criteria

Beyond mandatory Security, your criteria selection should map directly to the promises in your customer contracts and marketing claims. If you don't promise 99.9% uptime anywhere, Availability may not need to be in scope. If you don't process payments, skip Processing Integrity.

Essential Documentation for SOC 2

Policies and Procedures

Auditors expect written policies covering access control, change management, data classification, incident response, business continuity, and vendor management, among others. These documents need to reflect what your organization actually does , a policy that doesn't match reality is a red flag, not a shortcut.

Evidence Collection

Policies alone don't satisfy an auditor. You'll need evidence: access review logs, ticket trails for change management, training completion records, penetration test results, and system-generated logs proving controls operated as described over the audit period.

SOC 2 Readiness Assessment

Why a Readiness Assessment Matters

Before the formal audit, most organizations benefit from an honest internal review of where controls stand against the criteria they've selected. Skipping this step is how companies end up with audit findings they could have caught , and fixed , months earlier.

Identifying Gaps Before the Audit

This stage typically surfaces the same handful of issues: missing access reviews, undocumented procedures that exist only as tribal knowledge, inconsistent offboarding, or logging that isn't retained long enough. Catching these early is far cheaper than catching them mid-audit.

SOC 2 Type 1 vs. SOC 2 Type 2 Requirements

Key Differences

A Type 1 report evaluates whether your controls are designed appropriately at a single point in time. A Type 2 report goes further, testing whether those controls actually operated effectively over a review period , typically three to twelve months. Type 2 carries significantly more weight with enterprise buyers because it demonstrates sustained practice, not a snapshot.

Choosing the Right Report Type

Many first-time organizations start with Type 1 to establish a baseline quickly, then move to Type 2 once controls have had time to run. Others skip straight to Type 2 if their sales cycle demands it and their controls are already mature enough to sustain the observation period.

The SOC 2 Audit Process

Audit Preparation

Preparation covers finalizing scope, confirming which Trust Services Criteria apply, closing any known gaps, and organizing evidence so it's ready when the auditor asks for it , not scrambled together after the request lands in your inbox.

Audit Execution

During fieldwork, the auditor tests controls through evidence review, system walkthroughs, and staff interviews. For a Type 2 report, this includes sampling evidence across the entire observation period, not just a single date.

Receiving the SOC 2 Report

Once testing wraps up, the auditor issues the report, which includes their opinion, a description of your system, and details of the controls tested and results observed. This report becomes the document you'll share with customers and prospects under NDA.

Maintaining Ongoing SOC 2 Compliance

Continuous Monitoring

SOC 2 isn't a one-time achievement. Controls need continuous monitoring , access reviews, log analysis, and vulnerability management , to stay effective between audit cycles, not just in the weeks leading up to renewal.

Periodic Reviews and Updates

Policies, risk assessments, and vendor lists should be revisited at least annually, and sooner if your infrastructure, headcount, or product scope changes materially. An outdated policy is one of the fastest ways to pick up an audit finding.

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Common Challenges in Meeting SOC 2 Requirements

Frequent Audit Findings

The most common findings tend to repeat across industries: incomplete access reviews, missing termination checklists, undocumented change management, insufficient log retention, and vendor risk assessments that were never updated after initial onboarding.

How Organizations Address Them

Organizations that handle these well tend to build controls into daily operations rather than treating them as audit-season tasks , automating access reviews, integrating security checks into deployment pipelines, and assigning clear control ownership across teams.