The business process owner should be the risk owner for the risk exposure due to weak technical controls in a newly implemented HR system, because they are responsible for the performance and outcomes of the HR business process, and they understand the business requirements, expectations, and impact of the HR system. The business process owner can also evaluate the trade-offs between the potential benefits and costs of the HR system, and the potential risks and consequences of a failure or breach of the system. The business process owner can also communicate and justify their risk acceptance or mitigation decision to the senior management and other stakeholders, and ensure that the risk is monitored and reviewed regularly. The other options are less appropriate to be the risk owner for this risk exposure. The chief risk officer is responsible for overseeing the enterprise-wide risk management framework and process, which includesensuring the identification, assessment, and reporting of risks. However, they are not the owner of the HR system or the HR business process, and they may not have the full knowledge or authority to accept or mitigate the risk on behalf of the business. The project manager is responsible for managing the implementation of the HR system, which includes ensuring the delivery of the system within the scope, time, and budget constraints. However, they are not the owner of the HR system or the HR business process, and they may not have the full knowledge or authority to accept or mitigate the risk on behalf of the business. The chief information officeris responsible for managing the IT function and resources, which includes providing the technical support and security for the HR system. However, they are not the owner of the HRsystem or the HR business process, and they may not have the full knowledge or authority to accept or mitigate the risk on behalf of the business. References = Getting risk ownership right 1