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ISO 27100 Lead Auditor

Plan and conduct audits of cybersecurity governance, evaluate evidence and follow up findings on cybersecurity concepts, risk controls and improvement priorities.

  • Practical, standards-based professional learning
  • Assessment and verifiable Cognicert certification
  • Flexible online, self-study and organisational delivery

Is this the right course for you?

What you will work on

Who this course is for
This course is ideal for:
  • Cybersecurity professionals and risk managers
  • Information Security Managers (ISMs)
  • Lead Auditors or Internal Auditors
  • IT/IS Consultants
  • Professionals involved in GRC (Governance, Risk, and Compliance)
  • Those seeking to qualify as ISO/IEC TS 27100 Lead Auditors
📖

Entry, exam and access at a glance

Prerequisites

Entry requirements depend on the course and level. Review the course-specific requirements and prior knowledge listed below.

Exam and resits

100 questions in one hour. Pass mark: 70%. Your payment includes two exam attempts. A third or later attempt costs £100 per resit.

Platform-wide pass rate: 87% across all examined trainees, based on Cognicert’s exam-platform results. This is not a course-specific pass rate or a guarantee of an individual result.

Self-study access

Lifetime access for the enrolled learner. Access is personal and cannot be shared.

Overview

Plan and conduct audits of cybersecurity governance, evaluate evidence and follow up findings on cybersecurity concepts, risk controls and improvement priorities.

Work through cybersecurity concepts, risk controls and improvement priorities and connect them to the responsibilities of your audit or assessment role. The detailed programme explains the methods and activities covered.

Objectives
By the end of the course, participants will be able to:
  • Understand the key concepts and framework of ISO/IEC TS 27100:2020
  • Assess the effectiveness of cybersecurity governance in an organization
  • Plan, conduct, report, and follow up on cybersecurity audits
  • Evaluate an organization’s response to threats and vulnerabilities
  • Demonstrate compliance with ISO/IEC TS 27100 in the context of ISO 27001 audits
  • Lead an audit team using ISO 19011 audit techniques
🎯
Audience
This course is ideal for:
  • Cybersecurity professionals and risk managers
  • Information Security Managers (ISMs)
  • Lead Auditors or Internal Auditors
  • IT/IS Consultants
  • Professionals involved in GRC (Governance, Risk, and Compliance)
  • Those seeking to qualify as ISO/IEC TS 27100 Lead Auditors
📖
Standards
  • ISO/IEC TS 27100:2020 – Cybersecurity – Overview and Concepts
  • ISO/IEC 27001:2022 – Information Security Management
  • ISO/IEC 27032:2012 – Cybersecurity Guidelines
  • ISO/IEC 27005:2022 – Information Security Risk Management
  • ISO 19011:2018 – Guidelines for Auditing
  • ISO/IEC 17021-1:2015 – Conformity Assessment Requirements for Auditing Bodies
🧠 Expected Outcomes: After successful completion, participants will:
  • Understand cybersecurity fundamentals, including threat types and actors
  • Conduct effective audits of cybersecurity controls and governance
  • Evaluate compliance with ISO/IEC TS 27100 concepts
  • Lead an audit team and manage audit programs
  • Receive a Lead Auditor Certificate (exam-based)
Course Structure: 📅 Day 1 – Introduction to Cybersecurity & ISO/IEC TS 27100
  • Cybersecurity scope and principles
  • Introduction to ISO/IEC TS 27100:2020
  • Relationship to ISO/IEC 27001 and other frameworks
  • Cybersecurity domains and terminology
  • Threat actors, attack vectors, and vulnerabilities
  • Cybersecurity lifecycle and control categories
Activities:
  • Case study review of recent cyber incidents
  • Group exercise: Identify gaps in cyber coverage
📅 Day 2 – Cybersecurity Risk & Governance Frameworks
  • Risk management in cybersecurity (ISO/IEC 27005 approach)
  • Cyber governance vs. IT governance
  • Regulatory & legal landscape overview (NIS, GDPR, etc.)
  • Integrating TS 27100 into ISMS (ISO 27001)
  • Maturity models and cybersecurity capability assessments
Activities:
  • Risk identification and mitigation workshop
  • Interactive group discussion: Applying 27100 in different sectors
📅 Day 3 – Audit Process, Planning & Execution
  • Overview of ISO 19011 auditing guidelines
  • Audit planning: scope, objectives, and team roles
  • Document review and audit checklist development
  • Conducting opening meetings and interviews
  • Evidence collection, audit techniques (sampling, triangulation)
  • Managing audit findings and nonconformities
Activities:
  • Role-play simulation: Audit interviews and observations
  • Workshop: Drafting audit plan and checklist
📅 Day 4 – Audit Reporting, Nonconformities & Exam
  • Audit reporting: structure and key content
  • Follow-up and corrective action verification
  • Presenting findings professionally
  • Auditor code of ethics and behavior
  • Final written Lead Auditor Examination
  • Course wrap-up and Q&A
Activities:
  • Final practical audit simulation (team-based)
  • Multiple-choice and scenario-based certification exam
📅 Day 5 –Examination
  • Final course review
  • Final exam: multiple-choice and scenario-based questions
🧪
Content

Programme application

📚 This ISO 27100 Lead Auditor course is designed to develop the knowledge, skills, and confidence required to audit and assess cybersecurity management systems based on the guidance provided in ISO/IEC TS 27100:2020. The training provides an overview of cybersecurity concepts, threat modeling, risk analysis, and practical auditing techniques tailored to cybersecurity governance. Participants will gain an in-depth understanding of the structure and intent of ISO/IEC TS 27100 and how it interfaces with other standards such as ISO/IEC 27001, ISO/IEC 27005, and ISO/IEC 27032. Emphasis is placed on performing first-party, second-party, and third-party audits in accordance with ISO 19011 and ISO/IEC 17021-1 principles. 🎯
Delivery
  • Interactive lectures with real-world examples
  • Workshops and breakout sessions
  • Case studies based on real cyber incidents
  • Mock audits and team simulations
  • Quizzes & review sessions for exam readiness
  • Final day proctored exam and certification
Duration
5 Days Delivery Options:  Frequently Asked Questions: https://cognicert.com/faqs/  Enquire Now

ONE STANDARD · FIVE LEARNING LEVELS

Choose your ISO/IEC 27100 course

Compare the focus and training duration of each level. Choose the level that fits your responsibilities; you do not need to book every level in sequence.

View the complete ISO/IEC 27100 training pathway
1 day

ISO/IEC 27100 Awareness

People who need an introduction to the standard and their role in supporting it.

Self-study: £75On demand · study at your own pace

Live online: £2007–11 December 2026

Per learner, before applicable UK VAT. Review your total before payment.
2 days

ISO/IEC 27100 Foundation

People building a working understanding of the standard before taking on implementation or audit responsibilities.

Self-study: £150On demand · study at your own pace

Live online: £5007–11 December 2026

Per learner, before applicable UK VAT. Review your total before payment.
3 days

ISO/IEC 27100 Internal Auditor

People preparing to plan and carry out internal audits within their organisation.

Self-study: £250On demand · study at your own pace

Live online: £7507–11 December 2026

Per learner, before applicable UK VAT. Review your total before payment.

Choose a level and study mode to enrol directly; no preliminary enquiry is needed for an available booking. Your existing basket confirms the date, price, applicable VAT and final total before secure Stripe payment. Invoice requests remain available.

Durations refer to the training programme. Course details explain entry requirements, assessment and the award for successful candidates. Training does not certify your organisation. Self-study access or live-course joining instructions follow payment and any applicable eligibility checks. Read refund and transfer conditions.

BOOK WITH CLARITY

Refunds, cancellations and transfers

Refund and transfer choices depend on the course format, how much notice you give and whether digital content has been accessed. Contact learner care early and we will help you identify the best available option.

Read the complete refund, cancellation and transfer policy →
UPCOMING COURSE CALENDAR

Training, exam and application dates

Prices are per learner before any applicable UK VAT. A live-online intake costs more after its standard deadline because the published late fee is added. Self-study is priced separately and has no late-intake fee.

TRAINING DATESEXAMDEADLINE & STATUSLIVE ONLINESELF-STUDY
7–11 December 202611 December 2026Standard booking period
Standard deadline: 9 November 2026. No late fee yet.
Places are confirmed at booking, not guaranteed by this calendar.
£1,200
Choose this intake
£500
On-demand study; next exam shown at checkout.
VERIFIABLE ACHIEVEMENT

Check your Cognicert certificate

Successful candidates receive a uniquely numbered Cognicert certificate that another person can check through our public certificate-verification service. This confirms the authenticity of a Cognicert-issued award; acceptance by an employer, regulator or external professional scheme depends on their requirements.

View certificate verification →
YOUR COURSE ADVISER

Need help before enrolling?

Lisa Williams
Course and Business Development Adviser
Monday–Friday, 09:00–17:00 UK time

+44 20 3432 2505
info@cognicert.com
Self-study from £500per learner · excl. applicable VATEnrol self-study

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