The Complete CAIQ Questionnaire Guide: How to Answer the CSA CAIQ Efficiently
What Is the CAIQ?
The Consensus Assessments Initiative Questionnaire (CAIQ) is a standardized security assessment developed by the Cloud Security Alliance (CSA). It provides a comprehensive set of questions that cloud service providers can use to document their security controls, and that cloud customers can use to evaluate potential vendors.
The CAIQ v4 contains 261 questions organized across 17 control domains, making it one of the most thorough cloud security assessments available. It's based on the CSA Cloud Controls Matrix (CCM), which maps to major compliance frameworks including SOC 2, ISO 27001, NIST, GDPR, and HIPAA.
Why the CAIQ Matters
- Industry standard — Used by thousands of organizations worldwide for cloud vendor evaluation
- CSA STAR registry — Completing the CAIQ qualifies you for the CSA STAR Level 1 listing, a publicly visible trust signal
- Framework mapping — Answers map directly to SOC 2, ISO 27001, and other frameworks, reducing duplicate work
- Enterprise requirement — Many enterprise procurement teams specifically request CAIQ completion
The 17 CAIQ Control Domains
Here's a breakdown of each domain and what assessors are looking for:
1. Audit & Assurance (A&A)
Questions: 6 | Focus: Independent audits, compliance monitoring
Key areas: Do you conduct regular independent security audits? How do you monitor compliance with internal policies and external regulations? What audit logging capabilities exist?
2. Application & Interface Security (AIS)
Questions: 7 | Focus: Secure development, API security
Key areas: SDLC practices, code review processes, API authentication, input validation, vulnerability management in applications.
3. Business Continuity Management (BCM)
Questions: 11 | Focus: Disaster recovery, resilience
Key areas: Business impact analysis, recovery time objectives (RTO), recovery point objectives (RPO), DR testing frequency, geographic redundancy.
4. Change Control & Configuration (CCC)
Questions: 9 | Focus: Change management, configuration baselines
Key areas: Change approval processes, configuration management, baseline security configurations, unauthorized change detection.
5. Cryptography, Encryption & Key Management (CEK)
Questions: 21 | Focus: Data encryption, key lifecycle
Key areas: Encryption algorithms used, key generation and rotation, certificate management, encryption at rest and in transit, key storage security.
6. Datacenter Security (DCS)
Questions: 14 | Focus: Physical security, environmental controls
Key areas: Physical access controls, surveillance, environmental monitoring, equipment disposal, visitor management.
7. Data Security & Privacy (DSP)
Questions: 19 | Focus: Data classification, privacy controls
Key areas: Data classification schemes, data retention and deletion, privacy impact assessments, cross-border data transfers, data subject rights.
8. Governance, Risk & Compliance (GRC)
Questions: 8 | Focus: Risk management, policy framework
Key areas: Information security policy, risk assessment methodology, regulatory compliance tracking, board-level security oversight.
9. Human Resources Security (HRS)
Questions: 13 | Focus: Personnel security, training
Key areas: Background checks, security awareness training, acceptable use policies, termination procedures, role-based access provisioning.
10. Identity & Access Management (IAM)
Questions: 16 | Focus: Authentication, authorization
Key areas: Multi-factor authentication, single sign-on, privileged access management, access reviews, identity lifecycle management.
11. Interoperability & Portability (IPY)
Questions: 4 | Focus: Data portability, vendor lock-in
Key areas: Data export capabilities, standard data formats, API availability, migration support.
12. Infrastructure & Virtualization (IVS)
Questions: 9 | Focus: Network security, virtualization
Key areas: Network segmentation, firewall management, intrusion detection, virtualization security, container security.
13. Logging & Monitoring (LOG)
Questions: 13 | Focus: Security monitoring, incident detection
Key areas: Log collection and retention, SIEM capabilities, alerting thresholds, log integrity, monitoring coverage.
14. Security Incident Management (SEF)
Questions: 8 | Focus: Incident response, notification
Key areas: Incident response plan, notification timelines, forensic capabilities, post-incident review, customer communication.
15. Supply Chain Management (STA)
Questions: 9 | Focus: Third-party risk, subprocessors
Key areas: Vendor risk assessment, subprocessor management, supply chain security requirements, contractual security obligations.
16. Threat & Vulnerability Management (TVM)
Questions: 10 | Focus: Vulnerability scanning, patching
Key areas: Vulnerability scanning frequency, patch management SLAs, penetration testing, threat intelligence, remediation tracking.
17. Universal Endpoint Management (UEM)
Questions: 14 | Focus: Device security, endpoint protection
Key areas: Mobile device management, endpoint detection and response, device encryption, remote wipe capabilities, BYOD policies.
How to Answer the CAIQ Efficiently
Strategy 1: Map to Existing Compliance Work
If you already have SOC 2 or ISO 27001 certification, many CAIQ answers can be derived directly from your existing documentation:
| CAIQ Domain | SOC 2 Mapping | ISO 27001 Mapping |
|---|---|---|
| IAM | CC6.1-CC6.3 | A.9 Access Control |
| CEK | CC6.1, CC6.7 | A.10 Cryptography |
| BCM | A1.2, A1.3 | A.17 BC Management |
| SEF | CC7.3-CC7.5 | A.16 Incident Mgmt |
| HRS | CC1.4, CC1.5 | A.7 Human Resource |
Strategy 2: Use a Response Template
For each question, structure your response with:
- Direct answer — Yes/No or the specific control
- Implementation details — How the control works in practice
- Evidence reference — Point to the relevant policy or certification
Strategy 3: Automate with AI
With TrustFill AI, you can:
- Upload your SOC 2 report, ISO 27001 documentation, and security policies
- Import the CAIQ spreadsheet
- Let AI auto-generate responses mapped to your documentation
- Review confidence scores and refine answers
- Export the completed CAIQ in the standard CSA format
This reduces completion time from 2-3 weeks to 1-2 days.
Tips for High-Quality CAIQ Responses
- Be specific — Don't just say "Yes." Describe the control, tool, or process.
- Reference evidence — Cite your SOC 2 report section, policy document, or certification.
- Note compensating controls — If you don't meet a requirement exactly, explain your alternative.
- Update regularly — The CAIQ should reflect your current security posture, not last year's.
- Use consistent language — Align terminology with the CCM framework.
Publishing to CSA STAR
Once completed, submit your CAIQ to the CSA STAR Registry for public listing:
- Complete the CAIQ self-assessment
- Submit to CSA via the STAR registry portal
- Your company appears in the public registry with your completed CAIQ
- Share the STAR listing URL with prospects as a trust signal
This is a free, high-value trust signal that demonstrates transparency to potential customers.
Get Started
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