The risk manager is reviewing a report which identifies a requirement to keep a business critical legacy system operational for the next two years. The legacy system is out of support because the vendor and security patches are no longer released. Additionally, this is a proprietary embedded system and little is documented and known about it. Which of the following should the Information Technology department implement to reduce the security risk from a compromise of this system?

A. Virtualize the system and migrate it to a cloud provider.
B. Segment the device on its own secure network.
C. Install an antivirus and HIDS on the system.
D. Hire developers to reduce vulnerabilities in the code.
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