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According to ISO/IEC 27001:2022, which specifies the requirements for establishing, implementing, maintaining and continually improving an information security management system (ISMS), clause 5.2 requires top management to establish an information security policy that provides the framework for setting information security objectives1. Clause 6.2 requires top management to ensure that the information security objectives are established at relevant functions and levels1. Therefore, when verifying that the information security policy and objectives have been established by top management, an ISMS auditor should review relevant documents and records that demonstrate top management’s involvement and commitment.

To verify that the mobile device policy and objectives are implemented and effective, an ISMS auditor should review relevant documents and records that demonstrate how the policy and objectives are communicated, monitored, measured, analyzed, and evaluated. The auditor should also sample and verify the implementation of the controls that are stated in the policy.

Three options for the audit trail that are relevant to verifying the mobile device policy and objectives are:

• Review the internal audit report to make sure the IT department has been audited: This option is relevant because it can provide evidence of how the IT department, which is responsible for managing the mobile devices and their security, has been evaluated for its conformity and effectiveness in implementing the mobile device policy and objectives. The internal audit report can also reveal any nonconformities, corrective actions, or opportunities for improvement related to the mobile device policy and objectives.
• Sampling some mobile devices from on-duty medical staff and validate the mobile device information with the asset register: This option is relevant because it can provide evidence of how the mobile devices that are used by the medical staff, who are involved in processing and storing residents’ data, are registered in the asset register and have physical protection enabled. This can verify the implementation and effectiveness of two of the controls that are stated in the mobile device policy.
• Review the asset register to make sure all company’s mobile devices are registered: This option is relevant because it can provide evidence of how the company’s mobile devices that are within the ISMS scope are identified and accounted for. This can verify the implementation and effectiveness of one of the controls that are stated in the mobile device policy.

The other options for the audit trail are not relevant to verifying the mobile device policy and objectives, as they are not related to the policy or objectives or their implementation or effectiveness. For example:

• Interview the reception personnel to make sure all visitor and employee bags are checked before entering the nursing home: This option is not relevant because it does not provide evidence of how the mobile device policy and objectives are implemented or effective. It may be related to another policy or objective regarding physical security or access control, but not specifically to mobile devices.
• Review visitors’ register book to make sure no visitor can have their personal mobile phone in the nursing home: This option is not relevant because it does not provide evidence of how the mobile device policy and objectives are implemented or effective. It may be related to another policy or objective regarding information security awareness or compliance, but not specifically to mobile devices.
• Interview the supplier of the devices to make sure they are aware of the ISMS policy: This option is not relevant because it does not provide evidence of how the mobile device policy and objectives are implemented or effective. It may be related to another policy or objective regarding information security within supplier relationships, but not specifically to mobile devices.
• Interview top management to verify their involvement in establishing the information security policy and the information security objectives: This option is not relevant because it does not provide evidence of how the mobile device policy and objectives are implemented or effective. It may be related to verifying that the information security policy and objectives have been established by top management, but not specifically to mobile devices.

References: ISO/IEC 27001:2022 - Information technology – Security techniques – Information security management systems – Requirements

Detection risk refers to the risk that the auditor will not detect a material misstatement or significant issue within the organization's ISMS. In this case, the auditor's inability to identify Company A's insecure network architecture is a detection risk.

References: ISO 19011:2018, Guidelines for auditing management systems

The role and responsibility that system users should not observe in the event of an information security incident is D: make the information security incident details known to all employees. This is not a proper role or responsibility for system users, as it could cause unnecessary panic, confusion or speculation among employees who are not involved in the incident response process. It could also compromise the confidentiality and integrity of the incident information, which could be sensitive or confidential in nature. Making the information security incident details known to all employees could also violate the information security policies and procedures of the organization, which may require a certain level of discretion and confidentiality when dealing with incidents. The other roles and responsibilities are correct, as they describe what system users should do in the event of an information security incident, such as reporting the incident to the Servicedesk (A), preserving evidence if necessary (B), and cooperating with investigative personnel if needed ©. These roles and responsibilities help to ensure a quick, effective and orderly response to information security incidents. ISO/IEC 27001:2022 requires the organization to implement procedures for reporting and managing information security incidents (see clause A.16.1). References: CQI & IRCA Certified ISO/IEC 27001:2022 Lead Auditor Training Course, ISO/IEC 27001:2022 Information technology — Security techniques — Information security management systems — Requirements, What is Information Security Incident Management?

The auditor should consider "audit risks" when determining the "audit objectives." Understanding the risks associated with the audit helps define the objectives clearly, ensuring that the audit focuses on the most significant areas of concern, aligns with the audit scope, and adequately addresses the risks identified.

References: ISO 19011:2018, Guidelines for auditing management systems