Information security metrics are quantitative or qualitative measures that indicate the performance and effectiveness of the information security processes, controls, and objectives. The primary goal of developing information security metrics is to enable continuous improvement of the information security program and to align it with the business goals and strategy. Information security metrics can help to identify the strengths and weaknesses of the security program, to monitor and report on the progress and outcomes of the security initiatives, to evaluate the return on investment and value of the security activities, and to provide feedback and guidance for improvement actions. Information security metrics should be relevant, reliable, consistent, and actionable. References = Risk and Information Systems Control Study Manual, Chapter 3, Section 3.3.2, p. 116-117

The main benefit of involving stakeholders in the selection of key risk indicators (KRIs) is improving risk awareness, as it helps to communicate the risk exposure, appetite, and tolerance of the organization to the relevant parties. KRIs are metrics that provide information on the level of exposure to a given operational risk1. By involving stakeholders in the selection of KRIs, the risk practitioner can ensure that the KRIs are aligned with the stakeholder expectations, needs, and objectives, and that they reflect the most significant risks that affect the organization. This also helps to foster a risk culture and a shared understanding of risk among the stakeholders, which can enhance the risk management process and performance. The other options are not the main benefit of involving stakeholders in the selection of KRIs, although they may be some of the outcomes or advantages of doing so. Obtaining buy-in from risk owners, leveraging existing metrics, and optimizing risk treatment decisions are all important aspects of risk management, but they are not the primary reason for involving stakeholders in the selection of KRIs. References = Key Risk Indicators; Key Risk Indicators: A Practical Guide; The 10 Types of Stakeholders That You Meet in Business; What are Stakeholders? Stakeholder Definition | ASQ

KRI thresholds are the levels or points that trigger an action or a response when a KRI reaches or exceeds them. They reflect the risk appetite of the organization, which is the amount and type of risk that it is willing to accept in pursuit of its objectives. A new privacy regulation may reduce the risk appetite of the organization, as it may impose stricter requirements and penalties for non-compliance. Therefore, the organization may need to adjust its KRI thresholds to lower levels, to ensure that it can identify and manage privacy risks more effectively and proactively

The best course of action for a risk practitioner who finds that the approved risk action plan has not been completed but other risk mitigation actions have been implemented is to verify the sufficiency of mitigating controls with the risk owner. This is because the risk owner is the person who is accountable for the risk and the risk response strategy, and therefore should be consulted to ensure that the alternative actions are adequate and effective in reducing the risk to an acceptable level. The other options are not the best course of action, although they may also be performed after verifying the sufficiency of mitigating controls with the risk owner. Reviewing the cost-benefit of mitigating controls, marking the risk status as unresolved within the risk register, and updating the risk register with implemented mitigating actions are secondary actions that depend on the outcome of the verification process. References = Risk and Information Systems Control Study Manual, 7th Edition, Chapter 4, Section 4.3.2, p. 193.

A systems interruption caused by a personal USB device plugged into the corporate network by an IT employee who bypassed internal control procedures is a serious breach of information security and IT risk management. The person who should be accountable for this incident is the chief information officer (CIO), who is responsible for overseeing the IT function and ensuring compliance with IT policies and standards.
The CIO should also ensure that appropriate corrective and preventive actions are taken to prevent such incidents from recurring and to mitigate the impact of the systems interruption on the business operations and objectives. The CIO should also report the incident to the senior management and the board of directors, and communicate with the relevant stakeholders about the incident and the actions taken. References = Risk IT Framework, ISACA, 2022, p. 181