CST CRF certification Saudi requires organizations to consider how implemented cybersecurity controls can be demonstrated through reliable evidence. Evidence may include approved policies, procedures, risk records, access reviews, security logs, technical configurations, training records, incident reports, assessments, and management approvals. The value of evidence depends on whether it accurately demonstrates that a control is implemented and operating. Organizations should therefore establish document ownership, review cycles, retention practices, and evidence collection processes rather than preparing records only when an assessment is approaching.