
ISO 27001 Auditor Course
Master the skills required to plan, execute, and report ISO 27001 audits with professional confidence. This course takes you through every clause of the standard, proven audit techniques, and real-world scenarios that prepare you for both internal and third-party certification engagements. If advancing your information security career is the goal, this is the training that gets you there.
What you will learn:
You will build a thorough understanding of ISO 27001 requirements, from foundational information security concepts to clause-by-clause conformance assessment. You will learn how to plan and execute audits using ISO 19011 principles, collect and evaluate evidence, and write findings that stand up to scrutiny. The course covers risk assessment auditing, Annex A controls, statement of applicability verification, and corrective action follow-up. You will also develop practical skills in interviewing auditees, managing audit teams, and handling complex scenarios such as multi-site and remote audits. Supplementary modules address technical controls, supply chain risk, privacy integration, and emerging trends including AI in audit practice.
How you study in practice ISO 27001 Auditor Course
How you practise ISO 27001 Auditor Course
For businesses looking to train their team
With Dedika for businesses, the course includes exercises and examples tailored to your own business and the way your company needs.
Course content
8 Chapters • 37 LessonsDuration between 4 and 360 hours (you decide)
Chapter 1HideHide detailsSee detailsFoundations of Information Security Management
Foundations of Information Security Management
Lesson 1 • Organisational Context and Stakeholders
Explains how internal and external context shapes an ISMS scope. Auditors learn to evaluate whether context analysis is adequate and documented.
Lesson 2 • Introduction to ISO 27001 Structure
Maps the high-level structure of ISO 27001 clauses and Annex A controls. Enables auditors to navigate the standard confidently from the start.
Lesson 3 • Information Security Core Concepts
Defines confidentiality, integrity, and availability as the CIA triad. Grounds all subsequent audit work in a shared security vocabulary.
Lesson 4 • Governance and Compliance Frameworks
Surveys major information security frameworks and their relationships. Positions ISO 27001 as a certifiable management system standard.
Chapter 2HideHide detailsSee detailsISO 27001 Requirements in Depth
ISO 27001 Requirements in Depth
Lesson 1 • Annex A Controls Deep Dive
Examines all Annex A control categories and their implementation guidance. Auditors develop criteria for evaluating control adequacy and applicability decisions.
Lesson 2 • Planning: Risk and Opportunity Management
Covers risk assessment, risk treatment, and statement of applicability requirements. Connects planning outputs to control selection and audit evidence.
Lesson 3 • Support Requirements: Resources and Awareness
Details clause 7 requirements for competence, awareness, and communication. Auditors identify gaps between documented requirements and actual practice.
Lesson 4 • Leadership and Commitment Requirements
Examines top management obligations under clause 5. Auditors learn what evidence demonstrates genuine leadership engagement with the ISMS.
Lesson 5 • Operation, Performance, and Improvement
Analyses clauses 8, 9, and 10 covering operational controls, monitoring, and corrective action. Auditors learn to trace the plan-do-check-act cycle through evidence.
Chapter 3HideHide detailsSee detailsAudit Principles and Planning
Audit Principles and Planning
Lesson 1 • ISO 19011 Audit Principles
Covers the seven principles of auditing: integrity, fair presentation, due care, confidentiality, independence, evidence-based approach, and risk-based approach.
Lesson 2 • Audit Plan Development
Guides construction of a detailed audit plan including schedule, team roles, and logistics. A well-structured plan is the foundation for efficient and defensible fieldwork.
Lesson 3 • Audit Programme Management
Explains how to establish, implement, and maintain an audit programme across multiple cycles. Auditors learn to prioritise scope based on risk and previous findings.
Lesson 4 • Audit Scope and Criteria Definition
Teaches precise definition of audit scope, objectives, and criteria before fieldwork begins. Prevents scope creep and ensures findings are traceable to specific requirements.
Lesson 5 • Sampling Strategies for ISMS Audits
Introduces statistical and judgmental sampling methods appropriate for ISMS evidence collection. Auditors learn to justify sample sizes and document sampling rationale.
Chapter 4HideHide detailsSee detailsRisk Assessment and Treatment Auditing
Risk Assessment and Treatment Auditing
Lesson 1 • Evaluating Risk Assessment Methodology
Teaches auditors to assess whether risk criteria are defined, consistent, and repeatable. Links methodology evaluation to clause 6.1.2 conformance.
Lesson 2 • Auditing Risk Treatment Plans
Focuses on verifying that selected controls address identified risks and are implemented. Auditors learn to spot gaps between treatment plans and actual control deployment.
Lesson 3 • Statement of Applicability Audit
Guides auditors through verifying the statement of applicability for completeness and accuracy. Ensures exclusions are justified and inclusions are implemented.
Lesson 4 • Continuous Risk Monitoring Evidence
Examines how organisations demonstrate ongoing risk monitoring and periodic reassessment. Auditors evaluate whether risk management is dynamic rather than a one-time exercise.
Chapter 5HideHide detailsSee detailsAudit Execution Techniques
Audit Execution Techniques
Lesson 1 • Evidence Collection and Evaluation
Establishes criteria for sufficiency, relevance, and reliability of audit evidence. Auditors practise evaluating evidence quality before drawing audit conclusions.
Lesson 2 • Opening Meeting Conduct
Covers the purpose, agenda, and professional conduct of the audit opening meeting. Sets the tone for a productive and cooperative audit engagement.
Lesson 3 • Interviewing Techniques for Auditors
Develops questioning skills to elicit accurate, complete information from auditees. Covers open, closed, probing, and clarifying question types with practice scenarios.
Lesson 4 • Observation and Technical Testing
Covers direct observation of processes and basic technical verification methods. Auditors learn when observation provides stronger evidence than documentation alone.
Lesson 5 • Document and Record Review
Teaches systematic review of policies, procedures, logs, and records as audit evidence. Auditors learn to distinguish controlled documents from informal or outdated versions.
Chapter 6HideHide detailsSee detailsAudit Findings and Reporting
Audit Findings and Reporting
Lesson 1 • Corrective Action Follow-Up
Explains the auditor's role in verifying corrective action effectiveness after the audit. Auditors learn to evaluate root cause analysis quality and closure evidence.
Lesson 2 • Writing Effective Nonconformity Statements
Teaches the requirement-evidence-effect structure for nonconformity statements. Well-written findings are objective, traceable, and actionable for the auditee.
Lesson 3 • Closing Meeting Facilitation
Covers presentation of findings, handling auditee challenges, and confirming next steps. Auditors practise maintaining professionalism when findings are disputed.
Lesson 4 • Classifying Audit Findings
Defines major nonconformity, minor nonconformity, observation, and opportunity for improvement. Auditors apply consistent classification criteria to avoid disputes with auditees.
Lesson 5 • Audit Report Structure and Content
Defines mandatory and recommended sections of a formal ISO 27001 audit report. A complete, well-structured report supports certification decisions and management review.
Chapter 7HideHide detailsSee detailsInternal Audit Programme Management
Internal Audit Programme Management
Lesson 1 • Designing the Internal Audit Programme
Covers risk-based scheduling, coverage planning, and programme documentation requirements. A well-designed programme ensures all ISMS elements are audited within each cycle.
Lesson 2 • Managing Audit Teams
Develops lead auditor skills for briefing, directing, and debriefing audit teams. Effective team management improves consistency and efficiency across complex audits.
Lesson 3 • Auditor Competence and Independence
Defines competence requirements for internal auditors and independence rules. Auditors learn to manage conflicts of interest and maintain objectivity within the organisation.
Lesson 4 • Programme Metrics and Effectiveness Review
Introduces key performance indicators for measuring audit programme effectiveness. Auditors learn to present programme results to management in a meaningful way.
Chapter 8HideHide detailsSee detailsCertification Audits and Advanced Scenarios
Certification Audits and Advanced Scenarios
Lesson 1 • Stage 2 Audit Simulation
Conducts a full simulated stage 2 audit using role-play and case-study evidence packages. Students produce a complete certification audit report with a recommendation.
Lesson 2 • Handling Complex Audit Scenarios
Presents challenging situations including scope disputes, missing records, and hostile auditees. Auditors develop judgment and professional resilience for difficult engagements.
Lesson 3 • Certification Audit Process Overview
Explains the two-stage certification audit process used by accredited certification bodies. Auditors understand the distinction between readiness review and conformance assessment.
Lesson 4 • Multi-Site and Remote Audit Approaches
Covers sampling strategies and logistics for auditing organisations with multiple locations. Includes remote audit techniques using digital tools while maintaining evidence integrity.
Lesson 5 • Stage 1 Audit Simulation
Guides students through a simulated stage 1 audit of a case-study organisation. Produces a stage 1 report with readiness determination and identified gaps.
Your valid completion certificate
This course is for you:
IT security professionals: seeking formal auditing credentials to advance their careers.
Compliance officers: responsible for maintaining certifications across regulated industries.
Risk managers: wanting structured methods to evaluate information security controls.
Quality assurance auditors: transitioning their existing audit skills into cybersecurity domains.
IT consultants: advising clients on ISMS implementation and certification readiness.
Career changers: moving from general IT roles into dedicated information security auditing.
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