NIST 800-53 Security Standard Questionnaire (Free Template) | UpGuard

Provides a vendor security questionnaire template mapped to NIST SP 800-53 (Rev. 5) for assessing vendor security and privacy programs across areas including security controls, personnel security, regulatory compliance, infrastructure and server security, email and endpoint protections, data management, and asset management; intended to guide organizations in evaluating third-party security posture and identifying compliance gaps.