A small organization has proprietary software that is used internally. The system has not been well maintained and cannot be updated with the rest of the environment.
Which of the following is the BEST solution?
A . Virtualize the system and decommission the physical machine.
B . Remove it from the network and require air gapping.
C . Only allow access to the system via a jumpbox
D . Implement MFA on the specific system.
Answer: A