According to the Key Performance Indicators for Vulnerability Management article, the number of vulnerabilities remediated is a key performance indicator that measures the effectiveness of a vulnerability remediation program. This KPI indicates how many vulnerabilities have been successfully mitigated or fixed within a given time frame. A higher number can imply that the organization is effectively managing its exposures and reducing its risk level. The number of vulnerabilities remediated can also be compared with the number of new vulnerabilities identified to evaluate the progress and performance of the vulnerability remediation program. References = Key Performance Indicators for Vulnerability Management

A maturity model is a tool that assesses the level of development and performance of key processes within an organization. A maturity model typically defines a set of criteria, standards, and best practices for each process, and assigns a rating or score based on the degree of compliance or achievement. A maturity model can help compare the current state of key processes to their desired state, by identifying the strengths, weaknesses, gaps, and opportunities for improvement. A maturity model can also help establish a roadmap for process improvement, by setting realistic and measurable goals and objectives, and monitoring the progress and results. References = Risk and Information Systems Control Study Manual, Chapter 1: IT Risk Identification, Section 1.4: IT Risk Scenarios, p. 49-50.

The analysis of logs and system events will best help validate whether suspicious network activity is malicious, because they provide detailed and timely information about the source, destination, content, and context of the network traffic. Logs and system events can be collected from various sources, such as firewalls, routers, switches, servers, applications, and endpoints, and can be correlated and analyzed using tools such as security information and event management (SIEM) systems. By analyzing logs and system events, an organization can identify anomalies, patterns, trends, and indicators of compromise (IOCs) that may signal malicious network activity, such as unauthorized access, data exfiltration, malware infection, denial-of-service attack, or lateral movement. Logs and system events can also help determine the scope, impact, and root cause of the malicious network activity, and support the incident response and remediation process. References = Risk IT Framework, ISACA, 2022, p. 221

Importance of a Risk Register:
A risk register is a critical tool for documenting, tracking, and managing risks within an organization. It serves as a central repository for all identified risks, detailing their status, impact, likelihood, and the actions taken to mitigate them.
A regularly updated risk register demonstrates an active and ongoing risk management process, reflecting the organization's commitment to identifying and addressing risks promptly.
Evidence of Robust Risk Management:
The risk register shows the organization's proactive approach to risk management by continuously monitoring and updating risks.
It provides transparency and accountability, allowing stakeholders to see how risks are being managed and mitigated over time.
Regular updates ensure that new risks are identified and existing risks are reassessed, indicating a dynamic and responsive risk management practice.
Comparing Other Options:
Management-Approved Risk Dashboard:While useful for summarizing risk information, a dashboard does not provide the detailed, ongoing updates and comprehensive tracking found in a risk register.
Current Control Framework:A control framework outlines the controls in place but does not detail specific risks or their management.
Regularly Updated Risk Management Procedures:Procedures are important but do not provide the same level of detailed risk tracking and management as a risk register.
References:
The CRISC Review Manual emphasizes the importance of a risk register in consolidating and tracking risk data, making it an essential component of robust risk management practices (CRISC Review Manual, Chapter
2: IT Risk Assessment, Section 2.6 Risk Register) .

Scenario analysis is the best method to identify significant events that could impact an organization. Scenario analysis is the process of creating and evaluating hypothetical situations or scenarios that represent plausible outcomes of various events or actions. Scenario analysis helps to anticipate and prepare for potential risks and opportunities, as well as to test the robustness and resilience of the organization's strategies and plans. Control analysis, vulnerability analysis, and heat map analysis are not as effective as scenario analysis, because they focus on the existing or current state of the organization, rather than the future or alternative states. References = Risk and Information Systems Control Study Manual, Chapter 4, Section 4.2.1, page 4-13.