Which of the following BEST explains the reason why the CISO has not approved the request?

An organization is facing budget constraints. The Chief Technology Officer (CTO) wants to add a new marketing platform but the organization does not have the resources to obtain separate servers to run the new platform. The CTO recommends running the new marketing platform on a virtualized video-conferencing server because video conferencing is rarely used. The Chief Information Security Officer (CISO) denies this request.

Which of the following BEST explains the reason why the CISO has not approved the request?
A . Privilege escalation attacks
B . Performance and availability
C . Weak DAR encryption
D . Disparate security requirements

Answer: D