OT security
OT security
IEC 62443 is the international series of standards for securing industrial automation and control systems. It divides the work by role: the asset owner who runs the plant, the integrator and service provider who build and maintain it, and the manufacturer who makes the components. Its core ideas are zones and conduits, seven foundational requirements, and security levels from SL1 to SL4. Our audit measures you against the parts that apply to your role, with evidence rather than self-assessment. Use it to prepare for certification, as an independent check for your board or regulator, or to hold your suppliers to the same standard.
OT security
OT security
Your role, the parts of the standard that apply and the systems in scope.
Documents, interviews, configurations and site checks.
Each requirement rated, with the evidence recorded beside it.
Gaps prioritised by risk, with a plan and indicative costs to close them.
OT security
OT security
Not by law for most organisations. But it is the reference standard for OT security worldwide, and many tenders, insurers and multinational owners ask for it. For critical infrastructure it complements the cyber frameworks listed in the SOCI Act rules rather than replacing them.
Goes well with

Free · No obligation
Leave your email and we’ll arrange a short scoping call, then send a fixed-fee quote. No cost and no obligation.
Prefer to talk? Call 0422555187 · Use the full form