Industrial & OT Cybersecurity · ISA/IEC 62443
The Critical InfrastructureOT Cybersecurity Solutions
Cybersecurity controls, assessment and implementation engineered to comply with the ISA/IEC 62443 standard — protecting the industrial control systems that keep critical infrastructure safe, compliant and continuously running.
01 — THE CHALLENGE
Why OT Cybersecurity Matters
Industrial control systems keep plants running safely, reliably and continuously. A single compromise can disrupt production, damage equipment, endanger people, harm the environment and impact compliance.
Proactive assessment, audits, monitoring and protection help organisations identify risks early, strengthen controls, and build resilient operations against evolving cyber threats — with sustained confidence.
02 — METHODOLOGY
Our Approach
A defence-in-depth methodology that starts with visibility and ends with assured recovery — applied across the OT lifecycle.
A·01
Asset Inventory & Visibility
Mapping of controllers, HMIs, servers / workstations and network infrastructure.
A·02
System & Network Hardening
Configuration of nodes and segmentation validation.
A·03
Patch & Vulnerability Management
OEM lifecycle checks, identification of vulnerabilities and recommendations.
A·04
Access Control
Account governance, physical security requirements and secure maintenance.
A·05
Logging & Monitoring
SOC integration readiness for continuous detection.
A·06
Backup & Recovery
High-availability assurance for critical operations.
03 — DELIVERABLES
We Deliver
Tangible, audit-ready artefacts that document, evidence and sustain your OT cyber posture.
Cyber Security Compliance Architecture (Zones / Conduit)
Cyber Security Compliance Policies, Procedures and Governance Documentation
Cyber Security Asset Register
Cyber Security Requirement Specifications (CSRS)
Cyber Security FAT / SAT / VAPT Services
Cyber Security High Level & Detail Level Risk Assessment workshops and report submission
04 — SERVICES
Our OT Cybersecurity Services
Two complementary service tracks — assess to understand your risk, then implement the controls that reduce it.
Track A — Assess
OT Cybersecurity Assessment
- Cybersecurity gap assessment workshops across plant and OT systems.
- High Level Risk Assessment (HLRA) and Detailed Level Risk Assessment (DLRA) workshops with formal report submission.
- Evaluation of the strength of your OT environment and of the safeguard measures protecting your control and shutdown systems.
Track B — Implement
OT Cybersecurity Implementation
- Cybersecurity controls implementation to comply with the ISA/IEC 62443 standard and protect infrastructure.
- Zones & conduits architecture, segmentation, hardening and defence-in-depth deployment.
- Cybersecurity training and awareness sessions to build workforce capability.
Enterprise / IT
Business & corporate systems
DMZ
Controlled boundary — historian, patch & AV servers
Control Zone
DCS / SCADA · HMIs · engineering stations · servers / workstations · network infrastructure
Process / Safety Zone
Controllers · PLC / RTU · SIS · field devices & instrumentation
Segmentation into security zones with controlled conduits between them — the foundation of an ISA/IEC 62443-aligned architecture.
05 — OUTCOMES
Value to Clients
Outcomes measured where they matter: risk, compliance, uptime and governance.
V·01
Risk Reduction
Control and reduce cyber-induced failures by implementing the defence-in-depth concept.
V·02
Compliance Alignment
Meets ISA/IEC 62443 requirements.
V·03
Operational Continuity
Minimised downtime across critical operations.
V·04
Assurance
Strengthened cyber governance.
06 — DIFFERENTIATORS
Why Choose Us
W·01
OT / ICS Cybersecurity Expertise
Deep understanding of real-world OT cyber risks.
W·02
Independent Advisory
Vendor-agnostic recommendations based on best practices.
W·03
Tailored Deliverables
Custom HLRA & DLRA reports, risk register outputs, remediation roadmaps and implementation.
07 — ADVISORY
Proposal & RFP Services
From OT cybersecurity requirements to a robust, implementation-ready solution. A well-defined RFP and evaluation process ensures cybersecurity investments address actual plant risks, align with operational requirements and remain scalable for the future.
-
01
Requirement Definition
Plant / OT understanding · critical asset identification · risk-based requirements · mandatory & desirable controls · brownfield considerations.
-
02
RFP / RFQ Preparation
OT architecture & segmentation · asset visibility · remote access · endpoint security · vulnerability / patching · monitoring / SIEM · IAM · backup & recovery.
-
03
Technical Proposal Evaluation
Compliance assessment · architecture review · gap / deviation analysis · control evaluation · technology fit · OT / IT integration · scalability.
-
04
Vendor Clarification
Technical assumptions · scope boundaries · architecture decisions · integration requirements · cybersecurity responsibilities · testing & acceptance.
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05
Bid Comparison
Structured technical & commercial evaluation based on compliance, cyber maturity, operational suitability, implementation approach, lifecycle support and value.
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06
POC / Pilot Support
Define and evaluate proof-of-concept activities to validate cybersecurity solutions in a representative OT environment before full-scale deployment.
-
07
Final Recommendation
Independent recommendation covering preferred solution / vendor, strengths & limitations, risks, commercial considerations and implementation next steps.
Risk-driven · Operationally practical · Technically robust · Scalable · Implementation-ready — OT/ICS cybersecurity expertise, independent advisory and tailored deliverables.
08 — TRACK RECORD
Industries We Cybersecured
Chemical & Petrochemical
Ethylene, polyethylene, sulphur, VCM, chlor-alkali and more.
Power & Water
Generation and distribution.
Oil & Gas
Onshore and offshore operations.
Refineries
Continuous-process critical infrastructure.
09 — NEXT STEP
Safeguard your last line of defence.
Evaluate the strength of your OT environment with a cybersecurity assessment. Determine the safeguard measures protecting your control and shutdown systems — ensure compliance and enhance resilience across your operational assets, and get your workforce trained to sustain compliance.
Connect
Emailsales@ankiy.com Phone+91 63575 95555 Websitewww.ankiy.comFollow us for OT cybersecurity updates.