Which of the ICS/SCADA generations is considered monolithic?

Which of the ICS/SCADA generations is considered monolithic?
A . Second
B . First
C . Fourth
D . Third

View Answer

Answer: B

Explanation:

The first generation of ICS/SCADA systems is considered monolithic, primarily characterized by standalone systems that had no external communications or connectivity with other systems. These systems were typically fully self-contained, with all components hard-wired together, and operations were managed without any networked interaction.

Reference: U.S. Department of Homeland Security, "Recommended Practice: Improving Industrial Control System Cybersecurity with Defense-in-Depth Strategies".