Information Security

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.

4 days + examExam included2,500+ professionals trained94.2% pass rate120+ countries

Trusted by 600+ organisations

  • Airbus
  • IBM
  • EY
  • HSBC
  • Deloitte
  • KPMG
  • Nestlé
  • Novartis
  • Roche
  • PWC
  • Swisscom
  • SAP
  • Dell
  • Santander
  • Etihad Airways
  • Cartier

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
PECB

The 7 competence domains

  1. Domain 1Fundamental principles and concepts of Information Security Management System (ISMS)
  2. Domain 2Information Security Management System (ISMS)
  3. Domain 3Fundamental audit concepts and principles
  4. Domain 4Preparation of an ISO/IEC 27001 audit
  5. Domain 5Conducting an ISO/IEC 27001 audit
  6. Domain 6Closing an ISO/IEC 27001 audit
  7. 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.

The four formats compared
Physical classroomOnline classroomSelf-studyeLearning
How you learnIn class, with the trainerLive online, with the trainerOn your own, with the official PDFPre-recorded videos and PDF
WhereLausanne / Morges, Paris, BarcelonaFrom anywhereFrom anywhereFrom anywhere
StartNext: 2 Nov 202614 dates availableNext: 2 Nov 202614 dates availableWithin 1 business dayWithin 1 business day
Duration4 days of training + 3-hour exam4 days of training + 3-hour examAt your own paceAt your own pace
LanguagesENFRESENFRESDEITPTENFRES
Certificate of attendanceIncludedIncludedNot includedIncluded
Exam and certificationPECB exam and certification includedPECB exam and certification includedPECB exam and certification includedPECB exam and certification included
PricePersonalised offerPersonalised offerfrom $1,211from $1,308
Best forLearning in a group, away from the officeA live trainer without travellingStudying from the official PDF, at your own paceLearning from videos, at your own pace
Next stepSee datesSee datesBuy nowBuy 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.

  1. Lausanne / MorgesLive onlineConfirmedENBook
  2. Lausanne / MorgesLive onlineEN · FRBook
  3. ParisLive onlineFRBook
  4. Lausanne / MorgesLive onlineEN · FRBook
  5. BarcelonaLive onlineEN · ESBook
  6. Lausanne / MorgesLive onlineEN · FRBook
  7. ParisLive onlineFRBook
  8. Lausanne / MorgesLive onlineEN · FRBook
  9. BarcelonaLive onlineEN · ESBook
  10. Lausanne / MorgesLive onlineEN · FRBook
  11. ParisLive onlineFRBook
  12. BarcelonaLive onlineEN · ESBook
  13. Lausanne / MorgesLive onlineEN · FRBook
  14. Lausanne / MorgesLive onlineEN · FRBook
Show all 14 dates

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
PECBISO 27001 Lead Auditor · Titanium Partner — highest PECB accreditation level

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 team
ISO 27001 Lead AuditorISO 27001ISMSInformation Security
Read 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 team
ISO 27001 Lead AuditorISO 27001 Lead ImplementerISMSInformation Security
Read 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 team
ISO 27001 Lead AuditorISMSInformation SecurityCertification Requirements
Read 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 team
ISO 27001 Lead Auditor examISMS auditCertification Exam
Read 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 team
ISO 27001 Lead AuditorInformation Security CareersISMS Audit
Read 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

    Groupe Demos
  • “I recommend this training for anyone looking to do a first experience as an ISO 27001 Internal Auditor.”

    Claudia Wolf

    Course participant

    Nagravision
  • “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

    JCB Europe
  • “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 Global Fund
  • “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

    Philips
  • “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

    Devillard SA
  • “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

    Allround Consulting

Who teaches the ISO 27001 Lead Auditor course

Alexis HIRSCHHORN
Alexis HIRSCHHORN

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

25 years of hands-on experience in information security, cloud cybersecurity, and AI governance. Advisory work with major multinationals, government bodies, and international organizations across multiple countries. Certified ISO 42001 Lead Implementer, CAIP, CISSP®, CISM®, CISA®, and PECB Certifying Auditor. PECB Certified Trainer.
100+ISO 27001 implementations
200+Organisations audited
25+Years of experience
12Certifications
ramesh-pavadepoulle
Ramesh PAVADEPOULLE

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.

Combining in one profile consulting, auditing, operations, management and entrepreneur in 10+ countries, +50 projects and programs, + 20 audits, 2 start-ups - Wide architect view mixed with a passion for details.
3000+students trained
14certifications
2000+hours of training delivery
Meet all our trainers →

Train your whole team in ISO 27001 Lead Auditor

We run private sessions for teams, at your site or online, on dates that suit you.

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Abilene Academy is the only PECB Titanium Partner in Switzerland — the highest accreditation tier in the industry — delivering certified training in information security, data protection, AI governance, and GRC compliance. 99% exam pass rate. 2,500+ professionals trained across 120+ countries and trusted by 600+ organizations. Multilingual programmes available.

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