Which of the following would BEST meet the CSO’s objectives?

A Chief Security Officer’s (CSO’s) key priorities are to improve preparation response, and recovery practices to minimize system downtime and enhance organizational resilience to ransomware attacks.

Which of the following would BEST meet the CSO’s objectives?
A . Use email-filtering software and centralized account management, patch high-risk systems, and restrict administration privileges on fileshares.
B . Purchase cyber insurance from a reputable provider to reduce expenses during an incident
C . Invest in end-user awareness training to change the long-term culture and behavior of staff and executives, reducing the organization’s susceptibility to phishing attacks
D . Implement application whitelisting and centralized event-log management and perform regular testing and validation of full backups.

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Answer: A