A company recently experienced a malware outbreak. It was caused by a vendor using an
approved non-company device on the company’s corporate network that impacted manufacturing
lines, causing a week of downtime to recover from the attack.
Which of the following reduces this threat and minimizes potential impact on the manufacturing
lines?

A.
Disable remote access capabilities on manufacturing SCADA systems.

B.
Require a NIPS for all communications to and from manufacturing SCADA systems.

C.
Add anti-virus and client firewall capabilities to the manufacturing SCADA systems.

D.
Deploy an ACL that restricts access from the corporate network to the manufacturing SCADA
systems.