ISO 27001 Internal Audit: How to Assess Control Effectiveness Beyond Documentation
A Practical Auditor’s Guide to Moving from “Compliant on Paper” to “Working in Practice” "An effective internal audit does not simply verify that controls are documented. It assesses whether those controls are implemented, operating as intended, supported by appropriate evidence, and addressing the relevant risks." An organization may have a well-written Information Security Management System (ISMS), approved policies, documented procedures, risk assessments, a Statement of Applicability (SoA), and a complete set of audit evidence. On paper, everything may appear to be in place. But an internal auditor should ask a more important question: Does the ISMS actually work in practice, or does it simply look complete on paper? This is where an effective ISO/IEC 27001 internal audit becomes different from a document verification exercise. An internal audit should provide useful assurance about whether the ISMS and its controls are implemented and operating as intended within...