Security questionnaires cover access control, encryption, network security, incident response, business continuity, personnel practices, and subprocessor management. Standardized formats include SIG and CAIQ alongside proprietary questionnaires.
Responses are typically supported by audit reports and policy documentation.
Alternative Names:
Vendor Security Questionnaire, Security Assessment Questionnaire
Why it Matters?
Questionnaire responses are self-reported and rarely verified, which limits their evidentiary value. The productive use is identifying gaps to probe further rather than treating completion as assurance, and follow-up on specific answers is where the actual diligence occurs. Standardized formats reduce the burden on vendors responding to many requests, which is why buyers increasingly accept them rather than requiring proprietary forms.
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How reliable are questionnaire responses?
Why use standardized formats?
