EXIN ISO/IEC 27001 Lead Auditor Exam (page: 2)
EXIN ISO/IEC 27001 Lead Auditor
Updated on: 25-Dec-2025

After an information security incident, an organization created a comprehensive backup procedure involving regular, automated backups of all critical data to offsite storage locations. By doing so, which principle of information security is the organization applying in this case?

  1. Integrity
  2. Confidentiality
  3. Availability

Answer(s): C

Explanation:

By creating a comprehensive backup procedure involving regular, automated backups to offsite storage locations, the organization is ensuring that critical data is recoverable in case of an incident. This aligns with the principle of Availability, which focuses on ensuring that information and systems are accessible when needed.



A data processing tool crashed when a user added more data to the buffer than its storage capacity allows. The incident was caused by the tool's inability to bound check arrays. What kind of vulnerability is this?

  1. Intrinsic vulnerability, i.e., inability to bound check arrays, is a characteristic of the data processing tool
  2. Extrinsic vulnerability, i.e., the exploit of the buffer overflow vulnerability, is caused by an external factor
  3. None; buffer overflow is not a vulnerability; it is a threat

Answer(s): A

Explanation:

The incident is caused by the tool's inherent inability to bound check arrays, which is an intrinsic vulnerability of the data processing tool itself. Intrinsic vulnerabilities are weaknesses in the system or software that stem from its design or implementation. In this case, the lack of proper array bounds checking directly led to the buffer overflow.



Which of the following best defines managerial controls?

  1. Controls related to the management of personnel, including training of employees, management reviews, and internal audits
  2. Controls related to organizational structure, such as segregation of duties, job rotations, job descriptions, and approval processes
  3. Controls related to the use of technical measures or technologies, such as firewalls, alarm systems, surveillance cameras, and IDSs

Answer(s): A

Explanation:

Managerial controls focus on the management aspects of an organization's security framework. They typically include activities such as training, management reviews, audits, and overall policy enforcement to ensure that security objectives are met. These controls are designed to guide and oversee the organization's personnel and operations.



What is the objective of penetration testing in the risk assessment process?

  1. To conduct thorough code reviews
  2. To identify potential failures in the ICT protection schemes
  3. To physically inspect hardware components

Answer(s): B

Explanation:

The objective of penetration testing in the risk assessment process is to simulate attacks on the organization's information and communication technology (ICT) systems to identify vulnerabilities or weaknesses in the protection schemes. This helps to assess the effectiveness of security controls and identify potential failures before they can be exploited by malicious actors.



Which controls are related to the Annex A controls of ISO/IEC 27001 and are often selected from other guides and standards or defined by the organization to meet its specific needs?

  1. General controls
  2. Strategic controls
  3. Specific controls

Answer(s): C

Explanation:

Specific controls in ISO/IEC 27001 Annex A are tailored to an organization's particular needs and circumstances. These controls are often selected from other guides, standards, or frameworks or are defined by the organization itself to address specific risks and requirements.



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