Explanation
The best protection is to identify the vulnerable systems and apply compensating controls until a patch is installed. Minimizing the use of vulnerable systems and communicating the vulnerability to system users could be compensating controls but would not be the first course of action. Choice D does not make clear the timing of when the intrusion detection system (IDS) signature list would be updated to accommodate the vulnerabilities that are not yet publicly known. Therefore, this approach should not always be considered as the first option.

Meat charts, sometimes referred to as stoplight charts, quickly and clearly show the current status of remediation efforts. Venn diagrams show the connection between sets; tree diagrams are useful for decision analysis; and bar charts show relative size.

Explanation/Reference:
Explanation:
Calculating the return on investment (ROD will most closely align security with the impact on the bottom line. Frequency and cost of incidents are factors that go into determining the impact on the business but, by themselves, are insufficient. Comparing spending against similar organizations can be problematic since similar organizations may have different business goals and appetites for risk.