SOC vs. ISO 27001: Explained Simply
March 5, 2025 RAVEN5
If you’ve heard SOC 1, SOC 2, SOC 3, or ISO 27001 and thought, “What does that mean?”—you’re not alone! These are security and compliance standards that help businesses protect financial data, customer information, and digital systems. Whether you’re a startup, a large enterprise, or a tech company, these certifications help prove your security measures are solid. Let’s break them down!
SOC 1: Financial Controls for Businesses
- Who Needs It? Payroll providers, banks, accounting firms.
- Purpose: Ensures financial data is processed correctly and securely.
- Who Cares? Auditors, regulators, and financial organizations.
- Typical Business Size: Mid-to-large businesses handling financial transactions.
- Estimated Cost: $20,000 – $100,000.
Example: A payroll company needs SOC 1 to prove their salary calculations are accurate and secure.
Governing body: AICPA – American Institute of Certified Public Accountants
SOC 2: Security & Privacy for Data
- Who Needs It? SaaS providers, cloud services, healthcare tech.
- Purpose: Ensures strong security, privacy, and data protection.
- Who Cares? Business clients and regulatory bodies.
- Typical Business Size: Small startups to large enterprises handling sensitive data.
- Estimated Cost: $30,000 – $150,000.
Example: A cloud storage company gets SOC 2 to prove their platform is secure.
Governing body: AICPA – American Institute of Certified Public Accountants
SOC 3: Public-Friendly Security Report
- Who Needs It? Companies wanting public proof of security.
- Purpose: A simplified version of SOC 2 for public sharing.
- Who Cares? Customers, investors, and partners.
- Typical Business Size: Small to large businesses marketing their security practices.
- Estimated Cost: Included in SOC 2 or an additional $5,000 – $15,000.
Example: A hosting company shares a SOC 3 report to build trust with potential customers.
Governing body: AICPA – American Institute of Certified Public Accountants
ISO 27001: Global Security Certification
- Who Needs It? Multinational corporations, regulated industries.
- Purpose: Establishes a structured Information Security Management System (ISMS).
- Who Cares? Global business partners and regulatory agencies.
- Typical Business Size: Mid-to-large businesses needing internationally recognized security standards.
- Estimated Cost: $40,000 – $200,000+.
Example: A fintech company gets ISO 27001 to meet global security regulations.
Governing body: ISO – International Organization for Standardization
Key Differences: SOC 1 vs. SOC 2 vs. SOC 3 vs. ISO 27001
| Feature | SOC 1 | SOC 2 | SOC 3 | ISO 27001 |
|---|---|---|---|---|
| Focus | Financial controls | Data security & privacy | Public security report | Global security framework (ISMS) |
| Who Needs It? | Financial service providers | SaaS & cloud companies | Businesses marketing security | Companies needing global security compliance |
| Who Uses It? | Auditors, regulators | Business customers | The public | Global partners, regulators |
| Publicly Available? | No | No | Yes | Yes (Certification) |
| Estimated Cost | $20,000 – $100,000 | $30,000 – $150,000 | $5,000 – $15,000 | $40,000 – $200,000+ |
Why These Certifications Matter
- Builds Trust: Proves a company takes security seriously.
- Regulatory Compliance: Many industries require these certifications.
- Boosts Business Growth: Larger enterprises prefer working with certified companies.
Other Important Certifications & Compliance Standards
Beyond SOC and ISO 27001, businesses may also consider:
- HIPAA (Health Insurance Portability and Accountability Act): Required for handling healthcare data in the U.S.
- GDPR (General Data Protection Regulation): European Union law for data privacy and protection.
- PCI DSS (Payment Card Industry Data Security Standard): Essential for businesses handling credit card transactions.
- NIST (National Institute of Standards and Technology): A cybersecurity framework used by U.S. government agencies and contractors.
- FedRAMP (Federal Risk and Authorization Management Program): Required for cloud service providers working with the U.S. government.
Each of these standards plays a critical role in different industries and regulatory landscapes.
Final Thoughts
Whether you need to protect financial transactions, secure customer data, or gain international trust, SOC 1, SOC 2, SOC 3, and ISO 27001 play a crucial role in business security. Understanding them helps you make informed decisions for your company!
Now, the next time someone brings up these standards, you can confidently say, “Yep, I get it!” 
RAVEN5, March 2025
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