How should the security advisor respond when explaining which controls to implement?

Posted by: Pdfprep Category: CAS-001 Tags: , ,

Company XYZ has invested an increasing amount in security due to the changing threat landscape. The company is going through a cost cutting exercise and the Chief Financial Officer (CFO) has queried the security budget allocated to the Chief Information Security Officer (CISO). At the same time, the CISO is actively promoting business cases for additional funding to support new initiatives. These initiatives will mitigate several security incidents that have occurred due to ineffective controls. A security advisor is engaged to assess the current controls framework and to provide recommendations on whether preventative, detective, or corrective controls should be implemented.

How should the security advisor respond when explaining which controls to implement?
A . Preventative controls are useful before an event occurs, detective controls are useful during an event, and corrective controls are useful after an event has occurred. A combination of controls can be used.
B . Corrective controls are more costly to implement, but are only needed for real attacks or high value assets; therefore, controls should only be put in place after a real attack has occurred.
C . Detective controls are less costly to implement than preventative controls; therefore, they should be encouraged wherever possible. Corrective controls are used during an event or security incident. Preventative controls are hard to achieve in practice due to current market offerings.
D . Always advise the use of preventative controls as this will prevent security incidents from occurring in the first place. Detective and corrective controls are redundant compensating controls and are not required if preventative controls are implemented.

Answer: A

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