A solution which would best meet the CSO's requirements is: B. Sandboxing.
A sandbox can be defined as an isolated environment in a computer system or on a network that is designed and developed to mimic end user operating system (OS) and environments, so as to detect unauthorized execution privileges from the operating system (OS).
In cybersecurity, sandboxing is typically used to safely execute suspicious code and data files without causing any harm to the host device or network. Also, sandboxing can work in conjunction with proxies or unified threat management (UTM).
Read more on sandboxing here: https://brainly.com/question/25883753
