Which would be one of the BEST metrics an information security manager can employ to effectively evaluate the results of a security program?
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A. B. C. D.B.
Control objectives are directly related to business objectives; therefore, they would be the best metrics.
Number of controls implemented does not have a direct relationship with the results of a security program.
Percentage of compliance with the security policy and reduction in the number of security incidents are not as broad as choice.
B.
Out of the given options, the BEST metric an information security manager can employ to effectively evaluate the results of a security program is "D. Reduction in the number of reported security incidents."
Here's why:
A. Number of controls implemented: The number of controls implemented may not necessarily indicate the effectiveness of the security program. For example, an organization may have implemented a large number of controls, but they may not be relevant to the security risks faced by the organization. Similarly, some controls may be redundant or ineffective, leading to a false sense of security.
B. Percent of control objectives accomplished: This metric can be useful to evaluate the progress of the security program towards achieving its objectives. However, it may not provide a complete picture of the security posture of the organization. For example, the control objectives may not be aligned with the organization's security risks, or some objectives may be less critical than others.
C. Percent of compliance with the security policy: Compliance with the security policy is important, but it may not guarantee the effectiveness of the security program. Compliance may be achieved by simply meeting the minimum requirements, whereas a more robust security program may go beyond the minimum requirements to address the organization's specific risks and threats.
D. Reduction in the number of reported security incidents: This metric is a strong indicator of the effectiveness of the security program. A reduction in the number of reported security incidents shows that the security controls are working as intended, and the organization is better protected against security threats. This metric also aligns with the ultimate goal of the security program, which is to protect the organization's assets, reputation, and customers from security incidents.
In conclusion, an information security manager should use a combination of metrics to evaluate the effectiveness of the security program, but the reduction in the number of reported security incidents is one of the BEST metrics to indicate the program's success.