An administrator must secure several end-of-life SCADA devices in a manufacturing facility on a limited budget. Which of the following should the security administrator do to best secure these…

The correct answer is A. Segment the SCADA devices to their own subnet. Network segmentation isolates end-of-life SCADA devices from other systems, reducing the attack surface and limiting lateral movement, which is critical when patching or direct security updates are not possible.

Submitted by weili_xi· Mar 6, 2026Threats, vulnerabilities, and mitigations

Question

An administrator must secure several end-of-life SCADA devices in a manufacturing facility on a limited budget. Which of the following should the security administrator do to best secure these devices?

Options

ASegment the SCADA devices to their own subnet
BAdd the SCADA devices to a network monitoring tool
CApply security patches to the SCADA devices
DBlock internet access to the SCADA devices

How the community answered

(30 responses)

A
83% (25)
B
3% (1)
C
3% (1)
D
10% (3)

Explanation

Network segmentation isolates end-of-life SCADA devices from other systems, reducing the attack surface and limiting lateral movement, which is critical when patching or direct security updates are not possible.

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