Transforming OT Security

Empowering Owners and Manufacturers for IEC 62443 compliance and operational resilience. Keethree delivers not only standards-aligned governance and controls but also essential operational defence for today’s critical environments.

Our Services

Keethree empowers organizations with resilient, standards-driven OT security—delivering practical IEC 62443 solutions whether you operate critical assets or develop industrial products.

For Asset Owners & Operators
  • Gap Analysis & Security Maturity:
    Deep-dive assessments and practical guidance mapped to IEC 62443-3-3, including process, asset, and risk profiling based on zones and security levels
  • Security Road mapping & Governance:
    Define robust OT security strategies—covering policies, compliance plans, and actionable project phases toward targeted Security Levels and audit readiness.
  • Architecture & Controls Implementation:
    Deploy and optimize network segmentation, access control, and endpoint defences directly aligned with IEC 62443 guidelines
  • 24/7 SOC Monitoring & Incident Response:
    Always-on Security Operations Centre with OT protocol expertise—real-time detection, alerting, threat hunting, and forensic support to contain operational disruptions
  • Regulatory & Certification Support:
    End-to-end documentation review, audit rehearsal, stakeholder training, and support through the IEC 62443 conformity and recertification cycles
For Manufacturers & Solution Suppliers
  • Secure Development Lifecycle (IEC 62443-4-1):
    Enable secure product engineering—integrating SDL processes, vulnerability management, and threat modeling across product lines, with guidance for documentation, training, and toolchain adaptation.
  • Component Security Validation (IEC 62443-4-2):
    Rapidly close technical gaps: implement and verify mandatory controls (authentication, access, integrity) for industrial products (PLCs, gateways, field devices), producing certification-grade evidence packages.
  • Product & Product Line Certification:
    Roadmap, gap assessment, and formal certification readiness for products and solutions—accelerating market acceptance and customer trust.
  • Supplier & Third-Party Risk Management:
    Advise on secure procurement policies, support with supply chain assurance programs, and help address compliance obligations for both internal and external vendors.
Cross-Cutting Services
  • Penetration Testing & Red Team Simulation: Rigorous, safe adversarial testing—scoped for operational environments and product-level assessment, always mapped to IEC 62443 control objectives.
  • Operational Risk & Supply Chain Advisory: Governance and policy development for holistic OT and supplier ecosystems, supporting robust end-to-end risk management.

Why Choose Keethree?

  • End-to-End IEC 62443 Coverage: Proven for both asset owners (ICS/SCADA/OT) and manufacturers (embedded and connected solutions) with industryleading certification experience.
  • Proactive 24/7 Security: Specialized OT SOC services ensure constant vigilance, incident response, and ongoing improvement.
  • Outcome Focus: Not limited to assessment or templates—Keethree partners from discovery through implementation and continuous resilient operations.
  • Cross-Sector Expertise: Track record across energy, utilities, water, and manufacturing; referencing real field challenges—not just compliance checklists.

Take the Next Step

Connect for a tailored IEC 62443 engagement—whether you need operational risk reduction, certification for your next product, or a complete managed OT -SOC solution

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