What is SOC 2 ?

What Is SOC 2?

SOC 2 (System and Organization Controls 2) is an auditing framework developed by the American Institute of Certified Public Accountants (AICPA) that evaluates how service organizations manage customer data. Unlike prescriptive compliance frameworks that dictate specific controls, SOC 2 provides a flexible structure based on five Trust Services Criteria that organizations can adapt to their unique environments.

At its core, SOC 2 answers a critical question for your customers: "Can we trust this company to protect our data?" The resulting attestation report, issued by an independent CPA firm, provides documented evidence that your organization has implemented and maintained effective controls over a defined period.

The Origins of SOC 2 and AICPA Standards

The SOC framework emerged from the AICPA's Statement on Standards for Attestation Engagements (SSAE), evolving from the earlier SAS 70 standard that focused primarily on financial reporting controls. In 2010, the AICPA introduced SOC 1, SOC 2, and SOC 3 reports to address the growing need for assurance around data security and operational controls in service organizations.

The Trust Services Criteria that form the foundation of SOC 2 were most recently updated in 2017, with revised points of focus added in 2022 to address emerging risks around cloud computing, mobile technologies, and evolving cyber threats. This framework continues to be maintained by the AICPA's Assurance Services Executive Committee (ASEC).

SOC 2 vs Other Compliance Frameworks

Understanding where SOC 2 fits in the compliance landscape helps you make informed decisions about your security program:

SOC 2 vs SOC 1

While both are AICPA frameworks, SOC 1 focuses specifically on controls relevant to financial reporting, think payroll processors or payment platforms. SOC 2 addresses broader operational and security controls, making it the appropriate choice for most SaaS companies handling customer data.

SOC 2 vs ISO 27001

ISO 27001 is an international standard that requires organizations to implement a formal Information Security Management System (ISMS). Unlike SOC 2's attestation model, ISO 27001 results in certification from an accredited body. Many organizations pursue both: ISO 27001 for European markets and international credibility, SOC 2 for North American enterprise sales.

The Five Trust Services Criteria Explained

SOC 2 audits evaluate your organization against five Trust Services Criteria (TSC). While Security is mandatory for all SOC 2 reports, the remaining four criteria are optional and should be selected based on your business model and customer requirements.

Security (Common Criteria)

Security, often called the Common Criteria, forms the foundation of every SOC 2 report. This criterion evaluates whether your systems are protected against unauthorized access, both physical and logical. Controls in this category address:

• Access management and authentication

• Network and application firewalls

• Intrusion detection and prevention

• Security incident response procedures

• Change management processes

The Security criterion encompasses nine control categories (CC1 through CC9) covering everything from control environment and communication to risk assessment and monitoring activities.

Availability

The Availability criterion applies to organizations that make commitments to customers about system uptime and accessibility. If your SaaS platform includes Service Level Agreements (SLAs) guaranteeing specific uptime percentages, this criterion is likely relevant.

Controls evaluated include disaster recovery planning, backup procedures, business continuity processes, and performance monitoring. For infrastructure-critical applications, demonstrating availability controls can be a significant competitive differentiator.

Processing Integrity

Processing Integrity addresses whether your systems achieve their purpose, specifically, whether data processing is complete, valid, accurate, timely, and authorized. This criterion is essential for companies whose core value proposition involves data transformation, calculations, or automated decision-making.

Think payment processors ensuring transactions are recorded accurately, or analytics platforms guaranteeing data aggregation integrity. If errors in your processing could cause material harm to customers, Processing Integrity should be in scope.

Confidentiality

While Security addresses unauthorized access broadly, Confidentiality focuses specifically on protecting information designated as confidential. This includes intellectual property, financial data, business plans, and any information your customers expect you to protect beyond standard security measures.

Controls in this category address data classification, encryption at rest and in transit, secure disposal procedures, and confidentiality agreements with employees and vendors.

Privacy

The Privacy criterion applies when your organization collects, uses, retains, discloses, or disposes of personal information. It aligns closely with privacy regulations like GDPR and CCPA, addressing consent mechanisms, data subject rights, and privacy notice requirements.

For B2B SaaS companies that process end-user personal data on behalf of customers, including Privacy in your SOC 2 scope demonstrates commitment to responsible data handling beyond minimum security requirements.

SOC 2 Type 1 vs Type 2: Which Do You Need?

One of the most common questions from organizations beginning their SOC 2 journey centers on the difference between Type 1 and Type 2 reports. The distinction is straightforward but has significant implications for cost, timeline, and customer acceptance.

Type 1: Point-in-Time Assessment

A SOC 2 Type 1 report evaluates whether your controls are suitably designed and implemented as of a specific date. Think of it as a snapshot: the auditor examines your policies, procedures, and systems at a single point in time to determine whether they could effectively meet the Trust Services Criteria.

Type 1 reports are valuable for organizations that need to demonstrate compliance quickly, perhaps to close an urgent enterprise deal or satisfy an investor requirement. However, they have limitations: a Type 1 report doesn't provide evidence that controls actually operated effectively over time.

Type 2: Period of Time Assessment

A SOC 2 Type 2 report goes further, evaluating both the design and operating effectiveness of controls over a defined period, typically 6 to 12 months. Auditors test whether controls not only exist but actually functioned as intended throughout the observation window.

Type 2 reports carry significantly more weight with enterprise customers and procurement teams. They demonstrate sustained commitment to security rather than point-in-time compliance theater. Most mature organizations require Type 2 reports from their vendors.

Cost Comparison: Type 1 vs Type 2

The additional rigor of Type 2 audits translates to higher costs and longer timelines:

Many organizations adopt a phased approach: achieving Type 1 first to demonstrate commitment and unlock near-term opportunities, then transitioning to Type 2 for long-term credibility. This strategy balances immediate business needs with sustainable compliance maturity.

SOC 2 Compliance Cost Breakdown

Understanding SOC 2 compliance costs requires looking beyond the auditor's invoice. Total investment varies dramatically based on your starting point, company size, and chosen approach, ranging from $20,000 for a lean startup with strong existing controls to $500,000+ for complex enterprises requiring significant remediation.

Audit Fees and What Drives Them

External audit fees typically range from $15,000 to $100,000+, influenced by several factors:

• Scope complexity: Each additional Trust Services Criterion increases audit effort. A Security-only audit costs less than one covering all five criteria.

• Company size: More employees, systems, and locations mean more controls to test and more evidence to review.

• Auditor reputation: Big Four firms command premium rates compared to regional CPA firms, though smaller firms often provide more personalized service for emerging companies.

• Report type: Type 2 audits require testing control effectiveness over time, increasing both auditor effort and your evidence collection burden.

Internal Resource Costs

The hidden heavyweight in SOC 2 budgeting is internal labor. Expect to allocate significant time from:

• Compliance lead: 20-40% of capacity for 6-12 months

• Engineering team: Building controls, implementing tools, remediating gaps

• IT/Operations: Configuring systems, documenting procedures

• Executive sponsors: Policy approval, risk acceptance decisions

For a typical Series A startup, internal costs often equal or exceed external audit fees. Larger organizations may dedicate full-time compliance staff to the initiative.

Tool and Platform Investments

Modern SOC 2 compliance typically requires investments in:

• Compliance automation platforms: $10,000-$50,000+ annually

• Security tools: Endpoint detection, vulnerability scanning, SIEM

• Identity management: SSO, MFA, access review solutions

• Documentation systems: Policy management, evidence repositories

The right compliance automation platform can dramatically reduce both internal labor costs and audit fees by automating evidence collection and maintaining continuous compliance.

Hidden Costs to Budget For

Several costs catch organizations off guard:

• Remediation expenses: Addressing gaps discovered during readiness assessment

• Penetration testing: Often required annually, costing $10,000-$30,000

• Legal review: Privacy policies, vendor agreements, terms of service updates

• Training: Security awareness programs for all employees

• Ongoing maintenance: SOC 2 isn't one-and-done, annual audits and continuous monitoring require sustained investment

SOC 2 Compliance Checklist: Your Step-by-Step Roadmap

Breaking SOC 2 compliance into phases transforms an overwhelming project into manageable milestones. Here's the roadmap successful organizations follow:

Phase 1: Readiness Assessment

Before engaging auditors, understand your current state:

• Define scope: Which Trust Services Criteria apply to your business? Which systems and processes are in scope?

• Inventory existing controls: Document security measures already in place, you likely have more than you realize.

• Identify stakeholders: Assign ownership for compliance workstreams across security, engineering, HR, and legal.

• Establish timeline: Work backward from business deadlines (customer requirements, funding milestones) to set realistic targets.

• Select your auditor: Begin conversations early, reputable firms book months in advance.

Phase 2: Gap Analysis and Remediation

With baseline understanding established, identify and close gaps:

• Map controls to criteria: For each Trust Services Criterion in scope, document which controls address which requirements.

• Identify gaps: Where do current controls fall short? What's missing entirely?

• Prioritize remediation: Focus first on high-risk gaps and those requiring longest lead times (tool implementations, policy changes).

• Implement controls: Deploy technical controls, establish processes, and configure monitoring.

• Test internally: Verify controls work as intended before auditor testing.

Phase 3: Documentation and Policy Development

SOC 2 audits are documentation-intensive. Prepare:

• Information security policies: Overarching security program documentation

• Procedures: Step-by-step instructions for key processes

• System descriptions: How your service operates and protects customer data

• Risk assessments: Documented evaluation of threats and mitigations

• Vendor management documentation: How you evaluate and monitor third parties

Quality documentation serves dual purposes: satisfying auditor requirements and creating operational clarity for your team.

Phase 4: The Audit Process

When auditors arrive (virtually or physically), expect:

• Planning meeting: Confirm scope, timeline, and logistics

• Control walkthroughs: Auditors interview control owners to understand how controls operate

• Evidence requests: Provide documentation, screenshots, system exports demonstrating control operation

• Testing: Auditors independently verify controls through sampling and direct observation

• Issue identification: Auditors flag exceptions and potential deficiencies

• Management response: Address findings and provide remediation plans

• Report issuance: Receive final SOC 2 report for customer distribution

SOC 2 Timeline: How Long Does Certification Take?

Setting realistic timeline expectations prevents frustration and ensures proper resource allocation.

Factors That Impact Your Timeline

Several variables influence your path to SOC 2:

• Current security maturity: Organizations with established security programs may need only 2-3 months of preparation. Those starting from scratch should budget 6-12 months.

• Report type: Type 1 can be achieved in 2-4 months with adequate preparation. Type 2 requires an additional 6-12 month observation period.

• Scope complexity: Each additional Trust Services Criterion adds preparation and audit time.

• Resource availability: Dedicated compliance staff accelerates progress; competing priorities extend timelines.

• Tool adoption: Compliance automation platforms can compress preparation timelines by 40-60%.

Realistic Timeframes by Company Size

These estimates assume reasonable starting security posture and dedicated resources. Organizations with significant gaps or limited bandwidth should add buffer.

How Probo Simplifies Your SOC 2 Journey

Navigating SOC 2 compliance doesn't have to consume your team's time and energy. Probo manages the entire compliance process for you hands-off, combining dedicated expert guidance with powerful automated compliance software to get you compliant faster and with less stress.

Here's what's included when you partner with Probo:

• Dedicated Compliance Expert : Direct access to compliance experts whenever you need guidance. No more guessing or searching for answers, your expert is just a message away.

• Onboarding Meeting : An onboarding meeting with your dedicated expert to understand your full context, tech stack, and specific compliance needs from day one.

• Policies & Risk Assessment : Probo handles all necessary documentation templates and risk analysis for you. No more starting from scratch or wondering if your policies meet the standard's requirements.

• Audit Prep & Auditor Selection : We find you the right auditor for your organization and prepare you thoroughly for the audit, so there are no surprises when certification day arrives.

• Quarterly Follow-ups After Certification : Ongoing support to maintain your compliance posture. Certification is just the beginning, Probo ensures you stay compliant through surveillance audits and beyond.

• Access to Probo Compliance Platform : A centralized workspace to manage all compliance activities, with automated evidence collection and audit-ready documentation that keeps everything organized and accessible.

Get SOC 2 Compliant with Probo

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