Which of the following is the BEST key performance indicator (KPI) to measure the maturity of an organization's security incident handling process?
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A. B. C. D.D.
The BEST key performance indicator (KPI) to measure the maturity of an organization's security incident handling process is option D, the number of recurring security incidents.
Explanation:
A security incident is an event that has the potential to harm the confidentiality, integrity, or availability of an organization's information assets. An organization's security incident handling process is the set of procedures and policies that are used to detect, respond to, and recover from security incidents.
Key performance indicators (KPIs) are measurements that are used to evaluate the success or effectiveness of a process or activity. In the context of an organization's security incident handling process, KPIs are used to measure the maturity of the process.
Option A, the number of resolved security incidents, is not the best KPI to measure the maturity of an organization's security incident handling process. Resolving incidents is important, but it does not provide insight into the effectiveness of the process.
Option B, the number of security incidents escalated to senior management, is also not the best KPI to measure the maturity of an organization's security incident handling process. Escalation to senior management may be an indicator of severity, but it does not necessarily reflect the effectiveness of the process.
Option C, the number of newly identified security incidents, is not the best KPI to measure the maturity of an organization's security incident handling process. New incidents may be an indicator of increased threat activity, but they do not provide insight into the effectiveness of the process.
Option D, the number of recurring security incidents, is the best KPI to measure the maturity of an organization's security incident handling process. Recurring incidents suggest that the process is not effective in preventing or resolving incidents. A reduction in the number of recurring incidents over time indicates that the organization is improving its security incident handling process, which is a measure of maturity.