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ISO 27001 Lead Auditor
This ISO/IEC 27001 Lead Auditor training prepares experienced professionals to conduct and lead ISMS audits that stand up to regulatory, contractual, and certification scrutiny. The course focuses on audit execution, evidence evaluation, and decision-making under real-world constraints. Course length: 4 days of training + 3-hour exam.
Trusted by 600+ organisations
What you will learn in the ISO 27001 Lead Auditor course
Learning outcomes
- Plan ISO 27001 audits aligned with ISO 19011 and ISO/IEC 17021-1
- Evaluate ISMS conformity using verifiable audit evidence
- Identify and classify nonconformities with precision
- Assess control effectiveness against stated risk treatment
- Lead audit teams and manage audit interactions professionally
- Produce audit reports suitable for certification decisions
Key takeaways
- Conduct ISO 27001 audits that withstand certification body review
- Distinguish formal conformity from operational effectiveness
- Evaluate audit evidence under time and scope constraints
- Lead audit teams and manage difficult audit situations
- Produce audit reports that drive corrective action
Course description
Information security audits have become significantly more demanding since the adoption of ISO/IEC 27001:2022. Expanded control sets, increased regulatory overlap, and heightened expectations from customers and regulators mean auditors are now expected to assess not only documented compliance, but the real performance of security controls. Superficial audits no longer hold value.
This training is built for professionals who must deliver credible audit conclusions in complex environments. Participants work through the complete audit lifecycle, from audit initiation to follow-up on corrective actions, using realistic ISMS scenarios based on actual consulting and certification engagements. The focus is not on memorizing clauses, but on learning how to audit decision-making, risk treatment, and control effectiveness.
Abilene Academy’s approach reflects how ISO 27001 audits are conducted in practice. Participants analyze imperfect documentation, incomplete risk registers, and competing stakeholder expectations. They learn how to gather and evaluate evidence, interview technical and non-technical personnel, identify nonconformities with precision, and justify audit findings in a way that stands up to challenge.
The course places strong emphasis on professional judgment. Participants practice risk-based auditing techniques, learn how to adapt audit depth to organizational context, and manage audit dynamics without compromising independence. Audit communication, conflict handling, and closing meetings are treated as core auditor competencies, not soft skills.
By the end of the training, participants are prepared to conduct internal and external ISO 27001 audits with confidence, structure, and professional authority, whether acting within an organization, a consulting role, or a certification context.
ISO 27001 Lead Auditor course program
The program runs over 4 days of training, followed by the 3-hour exam.
Day 1Introduction to the information security management system (ISMS) and ISO/IEC 27001
Training course objectives and structure
Standards and regulatory frameworks
Certification process
Fundamental concepts and principles of information security
Information security management system (ISMS)
Day 2Audit principles, preparation, and initiation of an audit
Fundamental audit concepts and principles
The impact of trends and technology in auditing
Evidence-based auditing
Risk-based auditing
Initiation of the audit process
Stage 1 audit
Day 3On-site audit activities
Preparing for stage 2 audit
Stage 2 audit
Communication during the audit
Audit procedures
Creating audit test plans
Day 4Closing the audit
Drafting audit findings and nonconformity reports
Audit documentation and quality review
Closing of the audit
Evaluation of action plans by the auditor
Beyond the initial audit
Managing an internal audit program
Closing of the training course
ISO 27001 Lead Auditor exam and certification
The PECB ISO 27001 Lead Auditor exam is included in the course price in every format. You take it after the training, and it lasts 3 hours.
- Exam type
- Multiple-choice
- Exam duration
- 3 hours
- Minimum passing score
- 70% required
- Certificate type
- professional
- Certificate validity
- 3 years with annual maintenance
- Certification body

The 7 competence domains
- Domain 1Fundamental principles and concepts of Information Security Management System (ISMS)
- Domain 2Information Security Management System (ISMS)
- Domain 3Fundamental audit concepts and principles
- Domain 4Preparation of an ISO/IEC 27001 audit
- Domain 5Conducting an ISO/IEC 27001 audit
- Domain 6Closing an ISO/IEC 27001 audit
- Domain 7Managing an ISO/IEC 27001 audit program.
Exam guide and certification details at PECB → · PECB Online Examinee Guide
Who should take ISO 27001 Lead Auditor, and prerequisites
ISO 27001 Lead Auditor is written for these roles: ISMS Lead Auditor, GRC Consultant, and Internal Auditor.
ISMS Lead Auditor
Run ISO 27001 certification audits with authority
GRC Consultant
Assess client ISMS maturity with defensible findings
Internal Auditor
Extend internal audit scope to ISO 27001
- ISMS auditors preparing to conduct or lead certification or internal audits under ISO/IEC 27001:2022
- Security consultants who must assess client ISMS maturity and issue defensible audit conclusions
- Information security managers responsible for audit readiness and corrective action follow-up
- Technical security professionals transitioning into audit and assurance roles
Prerequisites
A fundamental understanding of ISO/IEC 27001 and comprehensive knowledge of audit principles.
ISO 27001 Lead Auditor formats, languages and duration
ISO 27001 Lead Auditor takes 4 days of training + 3-hour exam and is available in these formats: Physical classroom, Online classroom, Self-study and eLearning. It is taught in English, French, Spanish, German, Italian and Portuguese.
| Physical classroom | Online classroom | Self-study | eLearning | |
|---|---|---|---|---|
| How you learn | In class, with the trainer | Live online, with the trainer | On your own, with the official PDF | Pre-recorded videos and PDF |
| Where | Lausanne / Morges, Paris, Barcelona | From anywhere | From anywhere | From anywhere |
| Start | Next: 2 Nov 202614 dates available | Next: 2 Nov 202614 dates available | Within 1 business day | Within 1 business day |
| Duration | 4 days of training + 3-hour exam | 4 days of training + 3-hour exam | At your own pace | At your own pace |
| Languages | ENFRES | ENFRES | DEITPT | ENFRES |
| Certificate of attendance | ||||
| Exam and certification | PECB exam and certification included | PECB exam and certification included | PECB exam and certification included | PECB exam and certification included |
| Price | Personalised offer | Personalised offer | from $1,211 | from $1,308 |
| Best for | Learning in a group, away from the office | A live trainer without travelling | Studying from the official PDF, at your own pace | Learning from videos, at your own pace |
| Next step | See dates | See dates | Buy now | Buy now |
Included in every format
- Exam: Multiple-choice, 3 hours
- Free exam retake
Self-study or eLearning, chosen at checkout.
ISO 27001 Lead Auditor dates and locations
The next ISO 27001 Lead Auditor session starts on 2 November 2026 in Lausanne / Morges (Physical classroom and Online classroom). 14 dates are open until June 2027, each one in both formats: Physical classroom and Online classroom.
- Lausanne / MorgesLive onlineConfirmedENBook
- Lausanne / MorgesLive onlineEN · FRBook
- ParisLive onlineFRBook
- Lausanne / MorgesLive onlineEN · FRBook
- BarcelonaLive onlineEN · ESBook
- Lausanne / MorgesLive onlineEN · FRBook
- ParisLive onlineFRBook
- Lausanne / MorgesLive onlineEN · FRBook
- BarcelonaLive onlineEN · ESBook
- Lausanne / MorgesLive onlineEN · FRBook
- ParisLive onlineFRBook
- BarcelonaLive onlineEN · ESBook
- Lausanne / MorgesLive onlineEN · FRBook
- Lausanne / MorgesLive onlineEN · FRBook
ISO 27001 Lead Auditor price and what is included
ISO 27001 Lead Auditor costs from $1,211 (Self-study) and from $1,308 (eLearning), PECB exam included. Physical classroom and Online classroom: personalised offer.
Price for your country; confirmed at checkout.
What's included
Self-study
- Lifetime access to official PECB training course material (PDF)
- Official PECB online certification exam
- Official PECB certification
- One free retake exam
eLearning
- Official PECB Pre-recorded Videos & PDF Materials
- Official PECB Online Exam
- PECB Certification & Attendance Record
- Free retake if needed
ISO 27001 Lead Auditor: frequently asked questions
What is the ISO/IEC 27001 Lead Auditor certification and what does it qualify you to do?
The ISO/IEC 27001 Lead Auditor certification qualifies professionals to plan, conduct, and lead audits of an Information Security Management System against ISO/IEC 27001:2022. It confirms competence in certification, internal, and supplier audits using ISO 19011 and ISO/IEC 17021-1 requirements.
““Most failed audits we see are not due to missing controls, but because auditors accept weak evidence. ISO 27001 Lead Auditors must be comfortable challenging assumptions.””Our expert teamRead the full answer →
What is the difference between ISO 27001 Lead Auditor and Lead Implementer?
ISO 27001 Lead Auditor focuses on auditing and certification of an ISMS, while Lead Implementer focuses on designing and deploying an ISMS. Auditors assess conformity and effectiveness; Implementers build and operate the system.
““When the same person tries to implement and audit, objectivity disappears. Certification bodies notice this immediately.””Our expert teamRead the full answer →
What are the prerequisites for ISO/IEC 27001 Lead Auditor training?
ISO 27001 Lead Auditor training requires prior knowledge of information security and familiarity with ISO 27001 concepts. Practical experience with ISMS implementation, operation, or internal audits is strongly recommended.
““If you’ve never seen an ISMS in operation, auditing one will feel abstract. Practical exposure makes all the difference.””Our expert teamRead the full answer →
What does the ISO/IEC 27001 Lead Auditor exam cover?
The ISO 27001 Lead Auditor exam covers ISMS principles, audit planning, audit execution, nonconformity management, and audit program management, aligned with ISO 19011 and ISO/IEC 17021-1.
““The exam rewards judgment, not memorization. If you think like an auditor, the answers become clear.””Our expert teamRead the full answer →
Is ISO/IEC 27001 Lead Auditor certification worth it in 2026?
Yes. In 2026, ISO 27001 Lead Auditor certification is highly valued for roles involving audits, supplier assurance, regulatory oversight, and certification activities, particularly in regulated and security-sensitive sectors.
““We see ISO 27001 Lead Auditors hired for judgment, not tools. The certification signals trust.””Our expert teamRead the full answer →
What participants say about ISO 27001 Lead Auditor
“Abilene Academy propose un ensemble de formation de qualité, adaptée aux besoins du marché IT, l'équipe Abilene Academy par son professionnalisme permet de suivre, de dispenser, de conseiller les personnes dans le choix des formations, de proposer plusieurs types de formations par rapport aux besoins de chacun et de chacune. La force d'Abilene Academy est son adaptation au regard de nos attentes professionnelles.”
Jean-Guy Ahanda
Course participant
“I recommend this training for anyone looking to do a first experience as an ISO 27001 Internal Auditor.”
Claudia Wolf
Course participant

“Alexis knows the subject very well and manages to keep the training pleasant and lively. I especially enjoyed listening about his personal stories about working as an auditor and the many cases he encountered.”
Josselin Le Galludec
Senior Compliance Officer

“The Training Academy can benefit risk and information security managers in both public and private sectors to improve their organizations’ ability to meet their goals. The trainers are top notch and the venues, highly conducive to learning. Highly recommended!”
Andreas Tamberg
Senior advisors enterprise risk management

“The ISO 27001 Lead Auditor training is an enormous value add, whether you just start with auditing or if you are a seasoned auditor.”
Benjamin Williams
Senior Information Technology Auditor

“Une équipe très professionnelle, passionnée animée par le souhait de rendre accessible des sujets potentiellement complexes. Incontestablement une référence sur Suisse romande pour la gouvernance IT !”
Jean-Frédéric Lasserre
Senior IT executive expert GRC / CIO-CISO

“Un sujet éminemment complexe traité de manière exemplaire et magistrale avec toutes les astuces et partages d'expérience pour les intégrer et mémoriser!”
Philippe Lallemand
Consultant Senior

Who teaches the ISO 27001 Lead Auditor course
ISO 22301 Lead Implementer · ISO 27001 Lead Implementer · CISSP® Exam Bootcamp · CISM® Exam Bootcamp · ISO 27701 Lead Auditor
Expert in Information and Cyber Security, Cloud Security, Risk Management and Governance Consulting for large multinational corporations, government entities and international organizations Management Systems Certified Lead Auditor
ISO 27001 Lead Implementer · ISO 27001 Lead Auditor · CISSP® Exam Bootcamp · CISM® Exam Bootcamp · ISO 27005 Risk Manager
From Design to Run then Improve, I've gathered +15 years of holistic experiences from strategic consulting to operations including entrepreneurship all around the world in the information technology and security management fields. Since 2017, I've been putting this inner wealth in service of outer transmission by training more than 700+ people across 10+ programs over +1500 hours.
Train your whole team in ISO 27001 Lead Auditor
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Organisations that trained with Abilene Academy
Trusted by 600+ organisations in 120 countries
Airbus
Altis
BCEAO
BCV
Cargolux
Cartier
Cofco Intl
Confédération Suisse
Council of Europe
Dell
Deloitte
Devillard
Ebay
Engie
Etat de Fribourg
Etihad Airways
Eumetsat
EY
Framatome
G42
Gavi
Republique et canton de Genève
Groupe Mutuel
HSBC
IAEA
IATA
IBM
ILO
IMD
KPMG
Kudelski Security
Loterie Romande
MSC
Nagra
Nespresso
Nestlé
Novartis
Payot SA
Philips
PSA Panama
PWC
Richemont
Roche
RTS
Santander
SAP
Skyguide
Societe Generale
Swisscom
Syz
The Global fund
UNGSC
UNICC