PECB ISO-IEC-27001-Lead-Auditor : PECB Certified ISO/IEC 27001 Lead Auditor exam

ISO-IEC-27001-Lead-Auditor real exams

Exam Code: ISO-IEC-27001-Lead-Auditor

Exam Name: PECB Certified ISO/IEC 27001 Lead Auditor exam

Updated: Sep 23, 2026

Q & A: 418 Questions and Answers

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Some candidates buy study materials hoping for a shortcut; experienced ones look for materials that respect their time. The PECB Certified ISO/IEC 27001 Lead Auditor package at RealVCE is built for the second group: 418 practice questions aligned with the real ISO-IEC-27001-Lead-Auditor exam format, verified answers, and a free demo to check the fit first.

PECB ISO-IEC-27001-Lead-Auditor Exam Overview:

Certification Vendor:PECB
Exam Name:PECB Certified ISO/IEC 27001 Lead Auditor Exam
Exam Number:ISO-IEC-27001-Lead-Auditor
Exam Price:$450 USD
Passing Score:70%
Related Certifications:PECB Certified ISO/IEC 27001 Foundation
PECB Certified ISO/IEC 27001 Lead Implementer
Exam Format:Scenario-based questions, Multiple choice questions
Available Languages:English, Italian, Spanish, German, French, Portuguese
Real Exam Qty:60
Exam Duration:120 minutes
Certificate Validity Period:3 years
Recommended Training:PECB ISO/IEC 27001 Lead Auditor Training Course
Exam Registration:PECB Official Exam Registration
Sample Questions:Free Download real ISO-IEC-27001-Lead-Auditor VCE file
Exam Way:Online proctored or onsite at authorized exam centers
Pre Condition:Completion of PECB-certified ISO/IEC 27001 Lead Auditor training course; recommended prior knowledge of information security management systems and audit principles
Official Syllabus URL:https://pecb.com/en/exam/iso-iec-27001-lead-auditor

PECB ISO-IEC-27001-Lead-Auditor Exam Syllabus Topics:

SectionWeightObjectives
Fundamental Concepts of Information Security15%- Information security principles and definitions
  • 1. Confidentiality, integrity, availability
    • 2. Risk management fundamentals
      - Overview of ISO/IEC 27000 family of standards
      • 1. Structure and scope of ISO/IEC 27000 series
        • 2. Relationship between ISO/IEC 27001 and other standards
          Auditing Principles and Practices30%- Audit reporting and follow-up
          • 1. Corrective action verification and closure
            • 2. Structure and content of audit report
              - Audit execution
              • 1. Conducting interviews and document reviews
                • 2. Collecting and verifying audit evidence
                  • 3. Identifying nonconformities and opportunities for improvement
                    - Audit preparation and planning
                    • 1. Development of audit plan and checklist
                      • 2. Defining audit scope, criteria and methodology
                        - Audit concepts and principles
                        • 1. Independence, objectivity and evidence-based approach
                          • 2. Audit types and objectives
                            Requirements of ISO/IEC 27001:202230%- General requirements and ISMS scope definition
                            • 1. Understanding the organization and its context
                              • 2. Determining ISMS boundaries and applicability
                                - Leadership and planning
                                • 1. Management commitment and policy establishment
                                  • 2. Information security objectives and risk treatment planning
                                    - Support, operation, performance evaluation and improvement
                                    • 1. Resource management and competence
                                      • 2. Corrective action and continual improvement
                                        • 3. Internal audit and management review
                                          Information Security Controls (ISO/IEC 27002:2022)25%- Control categories and implementation guidance
                                          • 1. Technological controls
                                            • 2. People controls
                                              • 3. Organizational controls
                                                • 4. Physical controls

                                                  ISO-IEC-27001-Lead-Auditor Exam Basics: What Every Candidate Asks

                                                  The ISO-IEC-27001-Lead-Auditor exam is the required test for earning the PECB Certified ISO/IEC 27001 Lead Auditor certification from PECB. It assesses your command of the official exam objectives through scenario-based and knowledge questions, and the resulting credential is widely recognized by employers. Its reputation for difficulty is real but manageable — candidates who practice consistently with quality materials routinely walk in well prepared.

                                                  The official outline for the ISO-IEC-27001-Lead-Auditor exam highlights these domains:

                                                  • Requirements of ISO/IEC 27001:2022 (30%)
                                                  • Information Security Controls (ISO/IEC 27002:2022) (25%)
                                                  • Auditing Principles and Practices (30%)

                                                  Seeing the topics laid out this way often shrinks the exam's intimidation factor — each domain is a finite, learnable block, and the PECB Certified ISO/IEC 27001 Lead Auditor practice questions at RealVCE follow the same structure.

                                                  Completion of PECB-certified ISO/IEC 27001 Lead Auditor training course; recommended prior knowledge of information security management systems and audit principles

                                                  The ISO-IEC-27001-Lead-Auditor exam is demanding, but its difficulty is specific, not mysterious: unfamiliar question formats, time pressure, and a few heavily weighted domains. All three respond to the same remedy — repeated, timed exposure to exam-style questions. That is what the PECB Certified ISO/IEC 27001 Lead Auditor practice materials at RealVCE provide, and the free demo lets you measure the real difficulty yourself before committing, which is usually the moment the fear starts shrinking.

                                                  The ISO-IEC-27001-Lead-Auditor exam consists of 60 questions with a time allowance of 120 minutes minutes. Practicing full sets under a similar time cap is the most direct way to make sure pacing never costs you points on exam day.

                                                  PECB offers these training resources for candidates:

                                                  Official courses explain the material; practice questions teach you how the exam asks about it. Most successful candidates use both.

                                                  Because seeing beats guessing. The free demo of the ISO-IEC-27001-Lead-Auditor exam materials at RealVCE contains genuine samples from the full PECB Certified ISO/IEC 27001 Lead Auditor question set — same format, same expert-verified answers — and downloading it costs nothing. If you are unsure whether the materials match your level or your study style, the demo answers that question with evidence rather than marketing, and every demo on the site is free of charge.

                                                  The passing score is 70% and the exam fee is $450 USD. Knowing both numbers early helps you plan: aim to be consistently above the passing mark in timed practice sessions before you spend the fee on a booking.

                                                  Registration is available through the following official channels:

                                                  Many candidates find that booking a date early converts vague anxiety into a focused countdown — a useful psychological trick while working through the PECB Certified ISO/IEC 27001 Lead Auditor practice questions.

                                                  PECB Certified ISO/IEC 27001 Lead Auditor Sample Questions:

                                                  Question #1

                                                  Scenario 6: Cyber ACrypt is a cybersecurity company that provides endpoint protection by offering anti- malware and device security, asset life cycle management, and device encryption. To validate its ISMS against ISO/IEC 27001 and demonstrate its commitment to cybersecurity excellence, the company underwent a meticulous audit process led by John, the appointed audit team leader.
                                                  Upon accepting the audit mandate, John promptly organized a meeting to outline the audit plan and team roles This phase was crucial for aligning the team with the audit's objectives and scope However, the initial presentation to Cyber ACrypt's staff revealed a significant gap in understanding the audit's scope and objectives, indicating potential readiness challenges within the company As the stage 1 audit commenced, the team prepared for on-site activities. They reviewed Cyber ACrypt's documented information, including the information security policy and operational procedures ensuring each piece conformed to and was standardized in format with author identification, production date, version number, and approval date Additionally, the audit team ensured that each document contained the information required by the respective clause of the standard This phase revealed that a detailed audit of the documentation describing task execution was unnecessary, streamlining the process and focusing the team's efforts on critical areas During the phase of conducting on-site activities, the team evaluated management responsibility for the Cyber Acrypt's policies This thorough examination aimed to ascertain continual improvement and adherence to ISMS requirements Subsequently, in the document, the stage 1 audit outputs phase, the audit team meticulously documented their findings, underscoring their conclusions regarding the fulfillment of the stage 1 objectives. This documentation was vital for the audit team and Cyber ACrypt to understand the preliminary audit outcomes and areas requiring attention.
                                                  The audit team also decided to conduct interviews with key interested parties. This decision was motivated by the objective of collecting robust audit evidence to validate the management system's compliance with ISO
                                                  /IEC 27001 requirements. Engaging with interested parties across various levels of Cyber ACrypt provided the audit team with invaluable perspectives and an understanding of the ISMS's implementation and effectiveness.
                                                  The stage 1 audit report unveiled critical areas of concern. The Statement of Applicability (SoA) and the ISMS policy were found to be lacking in several respects, including insufficient risk assessment, inadequate access controls, and lack of regular policy reviews. This prompted Cyber ACrypt to take immediate action to address these shortcomings. Their prompt response and modifications to the strategic documents reflected a strong commitment to achieving compliance.
                                                  The technical expertise introduced to bridge the audit team's cybersecurity knowledge gap played a pivotal role in identifying shortcomings in the risk assessment methodology and reviewing network architecture. This included evaluating firewalls, intrusion detection and prevention systems, and other network security measures, as well as assessing how Cyber ACrypt detects, responds to, and recovers from external and internal threats. Under John's supervision, the technical expert communicated the audit findings to the representatives of Cyber ACrypt. However, the audit team observed that the expert s objectivity might have been compromised due to receiving consultancy fees from the auditee. Considering the behavior of the technical expert during the audit, the audit team leader decided to discuss this concern with the certification body.
                                                  Based on the scenario above, answer the following question:
                                                  Question:
                                                  According to Scenario 6, Cyber ACrypt modified the SoA and the ISMS policy after the Stage 1 audit report.
                                                  How do you define this situation?

                                                  • A. Acceptable, minor modifications to the SoA and ISMS policy can be made until the submission of the final audit report
                                                  • B. Unacceptable, once the external audit passes Stage 1, the SoA and the ISMS policy cannot be modified
                                                  • C. Acceptable, situations that lead to major nonconformities during the Stage 2 audit should be corrected
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: C  🗳️

                                                  Explanation: Only visible for RealVCE members. You can sign-up / login (it's free).

                                                  Question #2

                                                  You have just completed a scheduled information security audit of your organisation when the IT Manager approaches you and asks for your assistance in the revision of the company's risk management process.
                                                  He is attempting to update the current documentation to make it easier for other managers to understand, however, it is clear from your discussion he is confusing several key terms.
                                                  You ask him to match each of the descriptions with the appropriate risk term. What should the correct answers be?

                                                  Reveal Solution  Discussion  0

                                                  Correct Answer:


                                                  Explanation:
                                                  The correct answers for matching each of the descriptions with the appropriate risk term are:
                                                  * The strategy chosen to respond to a specific information security risk: This is a definition of information security risk treatment. According to ISO/IEC 27000:2022, information security risk treatment is "the process of selecting and implementing measures to modify the information security risk" Section 3.33.
                                                  * The effect of uncertainty on information security objectives: This is a definition of information security risk. According to ISO/IEC 27000:2022, information security risk is "the effect of uncertainty on information security objectives" Section 3.32.
                                                  * The requirements against which information security risks are evaluated: This is a definition of information security risk criteria. According to ISO/IEC 27000:2022, information security risk criteria are "the terms of reference by which the significance of information security risks is assessed" Section
                                                  3.31.
                                                  * A definition of the overall level of information security risk that is considered to be tolerable: This is a definition of information security risk acceptance criteria. According to ISO/IEC 27000:2022, information security risk acceptance criteria are "the level of information security risk that is acceptable" Section 3.30.

                                                  Question #3

                                                  Scenario 3: Rebuildy is a construction company located in Bangkok.. Thailand, that specializes in designing, building, and maintaining residential buildings. To ensure the security of sensitive project data and client information, Rebuildy decided to implement an ISMS based on ISO/IEC 27001. This included a comprehensive understanding of information security risks, a defined continual improvement approach, and robust business solutions.
                                                  The ISMS implementation outcomes are presented below
                                                  *Information security is achieved by applying a set of security controls and establishing policies, processes, and procedures.
                                                  *Security controls are implemented based on risk assessment and aim to eliminate or reduce risks to an acceptable level.
                                                  *All processes ensure the continual improvement of the ISMS based on the plan-do-check-act (PDCA) model.
                                                  *The information security policy is part of a security manual drafted based on best security practices Therefore, it is not a stand-alone document.
                                                  *Information security roles and responsibilities have been clearly stated in every employees job description
                                                  *Management reviews of the ISMS are conducted at planned intervals.
                                                  Rebuildy applied for certification after two midterm management reviews and one annual internal audit Before the certification audit one of Rebuildy's former employees approached one of the audit team members to tell them that Rebuildy has several security problems that the company is trying to conceal. The former employee presented the documented evidence to the audit team member Electra, a key client of Rebuildy, also submitted evidence on the same issues, and the auditor determined to retain this evidence instead of the former employee's. The audit team member remained in contact with Electra until the audit was completed, discussing the nonconformities found during the audit. Electra provided additional evidence to support these findings.
                                                  At the beginning of the audit, the audit team interviewed the company's top management They discussed, among other things, the top management's commitment to the ISMS implementation. The evidence obtained from these discussions was documented in written confirmation, which was used to determine Rebuildy's conformity to several clauses of ISO/IEC 27001 The documented evidence obtained from Electra was attached to the audit report, along with the nonconformities report. Among others, the following nonconformities were detected:
                                                  *An instance of improper user access control settings was detected within the company's financial reporting system.
                                                  *A stand-alone information security policy has not been established. Instead, the company uses a security manual drafted based on best security practices.
                                                  After receiving these documents from the audit team, the team leader met Rebuildy's top management to present the audit findings. The audit team reported the findings related to the financial reporting system and the lack of a stand-alone information security policy. The top management expressed dissatisfaction with the findings and suggested that the audit team leader's conduct was unprofessional, implying they might request a replacement. Under pressure, the audit team leader decided to cooperate with top management to downplay the significance of the detected nonconformities. Consequently, the audit team leader adjusted the report to present a more favorable view, thus misrepresenting the true extent of Rebuildy's compliance issues.
                                                  Based on the scenario above, answer the following question:
                                                  Question:
                                                  Based on Scenario 3, the audit team used information obtained from interviews with top management to determine Rebuildy's conformity to several ISO/IEC 27001 clauses. Is this acceptable?

                                                  • A. Yes, interviews with top management are the most reliable form of audit evidence and can be used to determine conformity to the standard without further verification
                                                  • B. No, the audit team should have used only documentary evidence, such as policies and procedures, to determine conformity
                                                  • C. Yes, the audit team obtained verbal evidence by written confirmations from the top management, which can be used to determine conformity to the standard
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: C  🗳️

                                                  Explanation: Only visible for RealVCE members. You can sign-up / login (it's free).

                                                  Question #4

                                                  Scenario 2
                                                  Knight is an electronics company based in Northern California, the US that develops video game consoles.
                                                  With over 300 employees globally, Knight is celebrating its fifth anniversary by launching the G-Console, a next-generation gaming system aimed at international markets. G-Console is considered to be the ultimate media machine of 2021, and it will give players the best gaming experience. The console pack will include a pair of VR headsets, two games, and other gifts.
                                                  Over the years, the company has developed a strong reputation for integrity, honesty, and respect toward their customers. Besides being a very customer-oriented company, Knight also gained wide recognition within the gaming industry because of its quality.
                                                  As one of the leading video game console developers in the world, Knight often finds itself a target for malicious activities. Therefore, it has implemented an information security management system (ISMS) based on ISO/IEC 27001, and its scope was communicated to employees of the company over a weekly meeting.
                                                  Recently, however, Knight experienced a security breach when hackers leaked proprietary information. In response, the incident response team (IRT) immediately began a thorough investigation of the system and the specifics of the incident. Initially, the IRT suspected that employees may have used weak passwords, allowing hackers to easily access their accounts. Upon further investigation, it was revealed that the hackers captured traffic from the file transfer protocol (FTP), which transmits data using clear-text passwords for authentication.
                                                  In light of this security incident, and following the IRT's recommendations, Knight decided to replace the FTP with Secure Shell (SSH) protocol. This change ensures that any captured traffic is encrypted, significantly improving security.
                                                  After implementing these changes, Knight conducted a risk assessment to verify that the implementation of controls had minimized the risk of similar incidents. Based on the results of the risk assessment, they chose a risk treatment option to treat the risk.
                                                  Question
                                                  What does the IRT's findings about FTP represent in terms of information security?

                                                  • A. Threat
                                                  • B. Vulnerability
                                                  • C. Risk
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: B  🗳️

                                                  Explanation: Only visible for RealVCE members. You can sign-up / login (it's free).

                                                  Question #5

                                                  Which two of the following statements are true?

                                                  • A. As part of a certification body audit the auditor is resporable for verifying the organisation's legal compliance status
                                                  • B. Curing a third-party audit, the auditor evaluates how the organisation ensures that 4 6 made aware of changes to the legal requirements
                                                  • C. The role of a certification body auditor involves evaluating the organisation's processes for ensuring compliance with their legal requirements
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: B,C  🗳️

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