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Armexa’s 3D assessment model is a systematic, three-dimensional approach designed to provide a holistic view of an organization’s OT (Operational Technology) cybersecurity posture. Each dimension, or element, provides a distinct but interdependent perspective on the cybersecurity of a facility or system.
Maturity/Compliance Gap Assessment: This element evaluates how well an organization’s cybersecurity practices align with industry standards like NIST CSF and ISA/IEC 62443. It informs leadership about their current security posture relative to peers and regulatory expectations. Learn More
Validated System Design Review: Also known in pipeline security as CADR, this element involves a deep technical analysis of system architecture, network segmentation, data flow, and endpoint configurations. It helps uncover vulnerabilities in the actual implementation—not just theoretical gaps. Learn More
Consequence-Based Risk Assessment: This is where Armexa stands out. Using CyberHAZOP and CyberBowtie methodologies, it identifies the most critical operational risks and recommends the most cost-effective mitigations. This approach prioritizes real-world impact over theoretical vulnerabilities. Learn More
Why it Works
The strength of the 3D model lies in it’s multi-dimensional, validated, consequence-based approach:
- It’s grounded in real-world risk. Unlike traditional assessments that stop at identifying gaps and vulnerabilities, Armexa’s model ties those to actual operational consequences. This helps organizations prioritize what truly matters
- It is standards-aligned but not checklist-driven. The model incorporates NIST CSF, ISA/IEC 62443, and other relevant industry standards, but it doesn’t just check boxes—it interprets and applies them in context.
- Each phase builds on the last. For example, findings from the design review directly inform the gap assessment, which in turn shapes the risk modeling
- It’s been field-tested. We’ve applied and refined this model over 15 years in a wide variety of critical infrastructure sectors, including Oil & Gas, Utilities, Chemicals, and manufacturing. making it both practical and proven
3D Assessment Case Studies
Where do I start?
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Regular OT cyber risk assessments are critical. They help organizations identify and evaluate these risks, but more importantly, they enable prioritization—focusing resources on the most critical vulnerabilities and highest-impact threats. Without prioritization, efforts may be wasted on low-risk issues while serious threats remain unaddressed.
Let’s work together to strengthen and secure your OT systems effectively. Contact Us to discuss how Armexa can assess your OT cyber risk.
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