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PECB ISO-IEC-27001-Lead-Auditor Exam - Topic 6 Question 72 Discussion
Topic #: 6
Scenario 3
NightCore, a multinational technology enterprise headquartered in the United States, specializes in e-commerce, cloud computing, digital streaming, and artificial intelligence (AI). After having an information security management system (ISMS) implemented for over a year, NightCore contracted a certification body to perform an audit for ISO/IEC 27001 certification.
The certification body formed a team of five auditors, with Jack as a team leader. Jack is renowned for his extensive auditing experience in risk management, information security controls, and incident management. His skill set aligns well with the requirements of auditing principles and processes, enabling him to effectively comprehend the audit scope and apply relevant criteria effectively. Jack also demonstrates a solid understanding of NightCore's organizational structure, purpose, and management practices and the statutory and regulatory requirements applicable to its activities.
The audit carried out by the audit team followed a rational method to reach reliable and reproducible conclusions systematically. The audit team recognized that only information capable of being verified to some extent should be considered valid evidence. In some rare instances during the audit where the verification of certain information posed challenges and where its degree of verifiability was low, the auditors exercised their professional judgment to assess the reliability and determine the level of reliance that could be placed on such evidence.
During the audit, the auditors documented their observations and inspection notes regarding the operational planning and control of NightCore's ISMS operations. They also recorded observations of NightCore's inventory of information and associated assets. Additionally, the auditors reviewed the configuration of firewalls implemented to secure connections to network services.
As the audit approached its final stages, NightCore's commitment to upholding the highest levels of information security became evident. With ISO/IEC 27001 certification within reach, NightCore is well-positioned to achieve ISO/IEC 27001 certification, enhancing its reputation in the technology sector.
According to Scenario 3, did the auditors appropriately handle information that could only be verified to some extent?
The auditors handled partially verifiable information appropriately by applying professional judgment, which makes option A the correct answer. ISO 19011:2018 emphasizes that auditing is not a purely mechanical process and requires auditors to apply due professional care when evaluating evidence. Audit evidence is often based on samples and may vary in its degree of verifiability. The key requirement is that auditors assess the reliability, relevance, and sufficiency of the evidence before using it to support audit conclusions.
In the scenario, the audit team explicitly recognized that some information could only be verified to a limited extent and responded by carefully evaluating how much reliance could be placed on that information. This aligns with ISO 19011 principles, particularly the evidence-based approach and due professional care. Auditors are expected to exercise judgment when full verification is impractical, provided they clearly understand the limitations of the evidence and do not overstate its reliability.
Option B is incorrect because ISO standards do not require auditors to discard all partially verifiable information. Doing so could lead to incomplete audit conclusions and an unrealistic audit process. Option C is also incorrect because while external experts may be used in certain specialized cases, ISO 19011 does not mandate their involvement whenever evidence is difficult to verify. The auditors' approach in the scenario demonstrates appropriate competence and professional judgment, consistent with ISO auditing guidance.
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