SOC 1 (SSAE 18 / ISAE 3402) for Auditors
What does SOC 1 (SSAE 18 / ISAE 3402) require of a Auditor?
Internal Auditors assess whether compliance controls are operating effectively. Under SOC 1 (SSAE 18 / ISAE 3402), which defines 32 controls, the work that lands on a Auditor is deciding which controls you own outright, which you share, and which belong to another team, then holding evidence for the first group.
Which SOC 1 (SSAE 18 / ISAE 3402) controls land on the Auditor
Internal Auditors assess whether compliance controls are operating effectively. They plan and execute audit engagements, evaluate evidence, report findings, and track remediation of identified gaps and nonconformities.
SOC 1 (SSAE 18 / ISAE 3402) defines 32 controls across 11 domains that directly affect the Auditor role. Understanding which controls fall within your ownership, which are shared, and which are owned by other teams is the foundation of effective compliance management.
What a Auditor is accountable for under SOC 1 (SSAE 18 / ISAE 3402)
Planning and executing risk-based audit engagements against compliance frameworks
Evaluating control design and operating effectiveness through testing
Documenting findings, observations, and recommendations in audit reports
Tracking remediation actions and verifying closure of audit findings
Assessing organisational readiness for external audits and certifications
Where Auditors lose time on SOC 1 (SSAE 18 / ISAE 3402)
These are the most common obstacles Auditors face when managing SOC 1 (SSAE 18 / ISAE 3402) compliance, and how to address them:
Challenge 1
Efficiently testing controls across large, complex frameworks
Challenge 2
Accessing reliable evidence without disrupting business operations
Challenge 3
Mapping controls across multiple frameworks to avoid duplicate audit testing
Challenge 4
Keeping audit programmes current with regulatory and framework changes
Challenge 5
Communicating audit findings in a way that drives management action
A working order for a Auditor starting on SOC 1 (SSAE 18 / ISAE 3402)
1. Readiness Assessment
Take a 5-minute readiness assessment to identify your organisation's current gap profile against SOC 1 (SSAE 18 / ISAE 3402). Get a prioritised action plan tailored to your specific situation.
2. Cross-Framework Mapping
Use our platform to map SOC 1 (SSAE 18 / ISAE 3402) controls against other frameworks you already comply with. SOC 1 (SSAE 18 / ISAE 3402) maps to 9 other frameworks in our database.
3. Build Your Toolkit
Equip yourself with SOC 1 (SSAE 18 / ISAE 3402) toolkits, self-assessments, and implementation guides from our store. Resources designed specifically for Auditors managing compliance programmes.
4. Continuous Monitoring
Establish ongoing compliance monitoring using our platform's gap analysis tools. Track your maturity over time and demonstrate progress to stakeholders.
SOC 1 (SSAE 18 / ISAE 3402) in your sector
Who else owns part of SOC 1 (SSAE 18 / ISAE 3402)
Questions Auditors ask about SOC 1 (SSAE 18 / ISAE 3402)
What does a Auditor need to know about SOC 1 (SSAE 18 / ISAE 3402)?
How does SOC 1 (SSAE 18 / ISAE 3402) affect the Auditor role?
What are the biggest SOC 1 (SSAE 18 / ISAE 3402) challenges for Auditors?
How should a Auditor prepare for a SOC 1 (SSAE 18 / ISAE 3402) audit?
What tools help Auditors manage SOC 1 (SSAE 18 / ISAE 3402) compliance?
Auditor: How ready is your organisation for SOC 1 (SSAE 18 / ISAE 3402)?
Answer 25 questions and get a professional readiness report with gap analysis, maturity scores, and prioritised action items. Results in 5 minutes.