Certification · ISO/IEC 27001:2022 Lead Auditor and Lead Implementer question bank · Released October 2026

ISO 27001:2022 Lead Auditor & Lead Implementer: 300 Practice Questions by Kai London

Knowing the material is not the same as answering ISO/IEC 27001:2022 Lead Auditor and Lead Implementer questions under time pressure. This question bank gives you 300 exam-style questions, each with an explanation of the correct answer and why the alternatives fall short.

What the book covers

ISMS clauses 4 to 10

Targeted questions on iSMS clauses 4 to 10, with explanations that close the gap.

Annex A controls

Targeted questions on annex A controls, with explanations that close the gap.

Risk assessment and treatment

Targeted questions on risk assessment and treatment, with explanations that close the gap.

Audit technique and findings

Targeted questions on audit technique and findings, with explanations that close the gap.

Mixed mock exams

Full-length mixed sets that build pacing and stamina.

Review method

A simple routine for tracking weak areas and revising efficiently.

This is an independent study aid. It is not affiliated with, sponsored or endorsed by ISO, IEC or any certification body; exam names are trademarks of their owners. Always check the current official exam outline.

ISO/IEC 27001AuditPractice questionsISMS

Who it is for

Candidates for ISO/IEC 27001 lead auditor or lead implementer certification.

About the author

Professor Kai London — CISSP, CISM.

An internationally recognised cybersecurity executive, board advisor and Founder & CEO of Quantum AI Systems Security LLC, writing at the convergence of AI, governance and operational resilience. Honorary Professor and Researcher at UCL.