SOC 1 (SSAE 18 / ISAE 3402) vs SOC 2

What is the difference between SOC 1 (SSAE 18 / ISAE 3402) and SOC 2?

SOC 1 (SSAE 18 / ISAE 3402) is a other framework applying in the United States (AICPA) and International (ISAE 3402), with 32 controls across 11 domains. SOC 2 is a other framework applying in the United States, with 54 controls across 17 domains. Both govern the same subject, so their requirements overlap; the mapping below shows which controls carry across and which are asked for by only one of them.

SOC 1 (SSAE 18 / ISAE 3402)32 controls

SOC 254 controls

Questions people ask about SOC 1 (SSAE 18 / ISAE 3402) and SOC 2

What is the difference between SOC 1 (SSAE 18 / ISAE 3402) and SOC 2?

SOC 1 (SSAE 18 / ISAE 3402) has 32 controls while SOC 2 has 54 controls. Both frameworks address compliance requirements but differ in scope, focus, and applicability. Use our platform to explore the exact control-to-control mappings.

Do I need both SOC 1 (SSAE 18 / ISAE 3402) and SOC 2?

Whether you need both depends on your industry, regulatory requirements, and customer expectations. Many organizations implement multiple frameworks simultaneously. Our compliance platform helps you map controls between SOC 1 (SSAE 18 / ISAE 3402) and SOC 2 so you can identify shared requirements and avoid duplicate effort.

How do SOC 1 (SSAE 18 / ISAE 3402) and SOC 2 controls map to each other?

Our platform maps controls between SOC 1 (SSAE 18 / ISAE 3402) and SOC 2 at a granular level. Each mapping shows whether controls are fully aligned, partially aligned, or represent gaps. This helps you prioritize implementation when pursuing both frameworks.

Which framework should I implement first, SOC 1 (SSAE 18 / ISAE 3402) or SOC 2?

The best starting point depends on your specific regulatory requirements, industry, and customer demands. Consider which framework is most urgently required by your stakeholders or regulators. Use our free compliance platform to run a gap analysis and determine the optimal implementation sequence.