At ControlTech, we help industrial and critical infrastructure clients protect their operations from evolving cyber threats. Our OT Cyber Security services cover the full lifecycle — from assessment and design to implementation and compliance — ensuring resilient, secure, and standards-aligned industrial control systems.We align all our services with NCA’s OT Cybersecurity Controls, IEC 62443, and global best practices to build a secure and sustainable OT ecosystem.
OT Cyber Security Consultation
Cyber Maturity Assessment
Evaluate your current OT cybersecurity posture against NCA controls and IEC 62443 standards.
Gap Analysis & Roadmap Development
Identify weaknesses, prioritize improvements, and create a practical implementation roadmap.
Cyber Risk Assessment
Identify critical assets, threat vectors, and vulnerabilities specific to your OT environment.
Policy & Governance Advisory
Define governance models, cybersecurity policies, and operational procedures for OT environments.
Awareness & Training Programs
Build staff competency and cybersecurity awareness across engineering and operations teams.
OT Network & Infrastructure Design
Secure Network Architecture
Design layered OT networks with appropriate zoning and conduits following IEC 62443 principles.
Segmentation & Isolation through Industrial DMZ Infrastructure
Separate critical control networks from enterprise IT networks to minimize exposure. And Separate different layers of the control network itself
Redundancy & Resilience Design
Build fault-tolerant architectures ensuring high availability and operational continuity.
Secure Remote Access & Connectivity
Implement controlled and monitored access mechanisms for vendors and maintenance teams.
Integration with Existing Systems
Design cybersecurity solutions compatible with legacy control systems and future expansions.
OT Cyber Security Implementation & Integration
Firewall and IDS/IPS Deployment
Configure and commission network security devices for OT networks.
Asset Discovery & Monitoring
Implement solutions for continuous visibility of OT assets and traffic patterns.
Security Information & Event Management (SIEM) Integration
Connect OT networks to central monitoring platforms for unified threat visibility.
Access Control & Authentication Systems
Deploy identity management and access control measures across the OT infrastructure.
Patch Management & Endpoint Security
Implement secure processes for system updates and endpoint protection.
Backup & Incident Response Integration
Develop secure data backup systems and incident response integration for rapid recovery.
Compliance & Framework Alignment (NCA / IEC 62443)
NCA OT Cybersecurity Framework Compliance
Full support in assessment, documentation, and technical alignment with NCA requirements.
IEC 62443 Compliance Support
Assistance in achieving Compliance readiness across all zones and components.
Policy & Procedure Development
Develop cybersecurity governance documents, operational procedures, and system hardening guides.
Audit Preparation & Evidence Documentation
Prepare for audits with structured documentation and evidence trails.
Continuous Improvement
Establish review and improvement cycles to sustain compliance and enhance maturity.
Secure Your Operations with Confidence
Secure Your Operations with Confidence
Whether you’re starting your OT cybersecurity journey or advancing toward full compliance, ControlTech delivers end-to-end expertise to safeguard your operations.
Contact us today to schedule a consultation or discuss your cybersecurity roadmap.