SOC 2, ISO 27001, PCI DSS, NIST CSF — they sound complicated, but they don't have to be. Here's what each one actually means for your business.
| Framework | Best For | Required When | Timeline | Cost Without Tools |
|---|---|---|---|---|
| SOC 2 | SaaS companies, B2B software | Enterprise customers ask for it | 3-12 months | $50K - $200K+ |
| ISO 27001 | Global companies, EU customers | International deals, RFPs require it | 6-18 months | $40K - $150K+ |
| PCI DSS | Anyone handling payment cards | You process, store, or transmit card data | 3-6 months (SAQ) | $20K - $500K+ |
| NIST CSF | Government contractors, critical infrastructure | Federal contracts, cyber insurance | 3-12 months | $30K - $100K+ |
The gold standard for SaaS security
SOC 2 (Service Organization Control 2) is a security framework developed by the American Institute of CPAs (AICPA). It proves that your company handles customer data responsibly across five "Trust Service Criteria": Security, Availability, Processing Integrity, Confidentiality, and Privacy.
Think of it as a security report card. An independent auditor examines your systems, processes, and controls, then issues a report that you can share with customers and prospects.
If you sell software or services to other businesses — especially mid-size and enterprise companies — they will ask for your SOC 2 report. It's become table stakes for B2B SaaS.
The international standard for information security
ISO 27001 is an internationally recognized standard for information security management systems (ISMS). Published by the International Organization for Standardization, it's the global benchmark for how organizations should manage and protect sensitive information.
Unlike SOC 2 (which is a report), ISO 27001 is a certification. An accredited body audits your organization and, if you pass, you receive a certificate valid for three years (with annual surveillance audits).
If you do business internationally — especially in Europe, Asia, or with government entities — ISO 27001 is often required. It's the compliance framework the rest of the world recognizes.
Required if you touch payment card data
PCI DSS (Payment Card Industry Data Security Standard) is a set of security requirements for any organization that accepts, processes, stores, or transmits credit card information. It was created by the major card brands (Visa, Mastercard, Amex, Discover) to protect cardholder data.
This isn't optional. If you handle payment cards, you must comply. The level of validation depends on your transaction volume — from a simple self-assessment questionnaire (SAQ) to a full on-site audit.
PCI DSS is mandatory, not voluntary. Non-compliance can result in fines, increased transaction fees, or losing the ability to accept credit cards altogether.
The flexible, risk-based cybersecurity framework
The NIST Cybersecurity Framework was developed by the National Institute of Standards and Technology to help organizations manage cybersecurity risk. It organizes security activities into five core functions: Identify, Protect, Detect, Respond, and Recover.
Unlike other frameworks, NIST CSF is designed to be flexible and scalable. It doesn't prescribe specific controls — instead, it provides a structure for understanding and improving your security posture based on your specific risks.
NIST CSF is increasingly required for federal contractors and is often referenced in cyber insurance policies. Even if not required, it's an excellent foundation for building a mature security program.
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