The effectiveness of a control action plan's implementation can be measured by the extent to which it achieves the desired risk reduction. A control action plan is a set of actions that are designed to address the root causes of a risk and mitigate its impact or likelihood. The best indicator of the effectiveness of a control action plan's implementation is the reduced risk level, which means that the risk is either eliminated or brought within the acceptable range. The other options are not the best indicators, because they do not directly reflect the risk reduction. Increased number of controls may not necessarily reduce the risk level, especially if the controls are not aligned with the risk causes, objectives, and priorities. Increased risk appetite may indicate a higher tolerance for risk, but it does not mean that the risk level has been reduced. Stakeholder commitment may facilitate the implementation of the control action plan, but it does not guarantee the effectiveness of the plan. References = Risk and Information Systems Control Study Manual, 7th Edition, Chapter 3: Risk Response, Section 3.2: Control Action Plan, p. 170-171.

The best way to reduce the risk associated with the theft of a laptop containing sensitive information is to use data encryption. Data encryption is a process that transforms the data into an unreadable or unintelligible format, using a secret key or algorithm, to protect the data from unauthorized access or disclosure. Data encryption helps to reduce the risk of data theft, because even if the laptop is stolen, the data on the laptop cannot be accessed or used by the thief without the proper key or algorithm. Data encryption also helps to comply with the relevant laws, regulations, standards, and contracts that may require the protection of sensitive data. The other options are not as effective as data encryption, although they may provide some protection for the laptop or the data. A cable lock, a periodic backup, and a biometrics access control are all examples of physical or logical controls, which may help to prevent or deter the theft of the laptop, or to recover or restore the data on the laptop, but they do not necessarily protect the data from unauthorized access or disclosure if the laptop is stolen. References = 8

KPIs provide metrics that show whether processes and controls are meeting performance targets. CRISC explains that KPIs help identifyhow efficiently controls or processes are operating. They provide a leading view of performance, enabling early identification of inefficiencies that may lead to increased risk. KPIs do not measure cost effectiveness, ROI, or changes in risk tolerance-those belong to financial or strategic measurement systems. Control efficiency aligns directly with KPI use because KPIs measure operational results against objectives.
Reference:CRISC Review Manual - Risk and Control Monitoring (KPI purpose).

Enterprise IT risk management is the process of identifying, analyzing, evaluating, and treating the IT-related risks that may affect the organization's objectives, operations, or assets1. Enterprise IT risk management should be aligned with the organization's overall riskmanagement framework and strategy, and support the organization's value creation and protection2.
When evaluating enterprise IT risk management, it is most important to confirm the organization's risk appetite and tolerance. Risk appetite is the amount and type of risk that an organization is willing to take in order to meet its strategic objectives3. Risk tolerance is the acceptable level of variation that an organization is willing to accept around its risk appetite4. By confirming the organization's risk appetite and tolerance, the evaluation can:
Ensure that the enterprise IT risk management is consistent and compatible with the organization's risk culture and vision Provide clear and measurable criteria and boundaries for assessing and prioritizing the IT risks and their impacts Guide the selection and implementation of the appropriate risk responses and controls that balance the costs and benefits of risk mitigation Enable the monitoring and reporting of the IT risk performance and outcomes, and the adjustment of the IT risk strategy and objectives as needed5 References = Enterprise IT Risk Management - ISACA, Enterprise Risk Management - Wikipedia, Risk Appetite - COSO, Risk Tolerance - COSO, Risk Appetite and Tolerance - IRM