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Protocols | Jan 11, 2026
f you are looking to break into OT cybersecurity, the field can feel overwhelming. PLCs, DCS, SCADA, IEC 62443, the Purdue Model, GICSP, GRID….
The semiconductor industry finally has its own cybersecurity standards, and if you build, buy, or operate fab equipment, they already apply to you. Here is what SEMI E187, E188, and E191 require, in plain language, and what to do about them before the next audit.
When a risk assessment for an industrial plant only counts downtime, lost production and recovery cost, it is missing the largest number on the page. OT incidents can hurt people, and the way we quantify risk needs to reflect that.
Most OT risk assessments end up as thick reports that gather dust on a shelf. Before you commission yours, stop and ask a harder question first: what do you actually want it to do for you?
connect@relyblue.com
