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The correct answer isAbecause in thethree lines model,internal auditorsprovide independent and objective assurance to senior management and the governing body. Their role is separate from operational risk ownership and from second-line oversight functions.

The other options are not correct:

B. Risk ownersare part of the first line and manage risk, but do not provide independent assurance.

C. Regulatorsmay perform external reviews, but they are not part of the organization’s three lines model.

D. Risk management functionsare typically part of the second line and provide oversight, not independent assurance.

Exact Extracts supporting the answer:

“The MOST significant benefit of using the three lines of defense model in a risk management framework of an enterprise is that it clarifies essential roles of the key stakeholders.”

“One of the MAIN purposes of the first line of defense in the three lines of defense model is to ensure control deficiencies are addressed.”

“Establishing a risk management framework is a direct responsibility of the second line of defense.”

“An internal audit function is best positioned to leverage the work performed in monitoring evaluating examining and reporting on controls as part of an ERM program.”

“Evaluating the effectiveness of existing internal information security controls within an enterprise is the responsibility of the system auditor.”

These extracts support that independent and objective assurance in the three lines model is provided byinternal auditors.

The completion of a project for implementing a new control would most likely require a risk practitioner to update the risk register. The risk register is a document that records the identified risks, their analysis, and their responses. The completion of a project for implementing a new control means that a risk response has been executed and a new control has been established. This may affect the likelihood and/or impact of the related risks, and the residual risk level. Therefore, the risk practitioner should update the risk register to reflect the current status and outcome of the risk response and the new control. The other options are not as likely to require a risk practitioner to update the risk register, as they are related to the reporting, planning, or assessment of the risks or the controls, not the implementation or completion of the risk response or the new control. References = Risk and Information Systems Control Study Manual, Chapter 2: IT Risk Assessment, Section 2.4: IT Risk Response, page 87.

A risk practitioner is a person who is responsible for performing risk management activities, such as identifying, analyzing, evaluating, treating, monitoring, and communicating risks. When an organization is implementing a project to automate the purchasing process, including the modification of approval controls, the task that is the responsibility of the risk practitioner is to verify that the existing controls continue to properly mitigate the defined risk. This means thatthe risk practitioner should ensure that the automation and modification of the approval controls do not introduce new risks or change the existing risk profile, and that the controls are still effective and adequate for the purchasing process. The risk practitioner should also monitor the performance and compliance of the controls, and recommend any improvements or adjustments as needed. References = CRISC Review Manual, 7th Edition, page 177.