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🏭 OT/SCADA Security for Industrial Systems

OT/SCADA Security: Protecting Industrial Control Systems and Critical Infrastructure

Securing the Physical World. Unifying IT and OT Defenses for Operational Resilience.

Introduction: For sectors like Oil & Gas, Manufacturing, and Utilities, Operational Technology (OT) and SCADA systems are the backbone of production. However, these environments are increasingly interconnected with traditional IT networks, exposing them to sophisticated cyber threats. Wethaq ICT specializes in bridging the gap between IT and OT security, implementing defense-in-depth strategies that prioritize safety, availability, and integrity.

How We Deliver Value:

  • OT Network Segmentation: We design and implement secure segmentation (e.g., using Purdue Model principles) to isolate control systems from the enterprise network, preventing IT-based attacks from spreading to the plant floor.

  • Passive Monitoring and Visibility: We deploy non-intrusive monitoring solutions to safely map OT assets, detect abnormal control commands, and identify vulnerabilities without disrupting sensitive processes.

  • Patch and Configuration Management: We develop tailored patching strategies for legacy and proprietary OT systems, balancing security updates with system uptime and vendor requirements.

  • Risk Assessment and Hardening: Comprehensive risk analysis specific to IEC 62443 and other industrial standards, followed by security hardening of PLCs, HMIs, and engineering workstations.

  • Incident Response for OT: Specialized playbooks and training for responding to incidents that affect physical processes, prioritizing safety and operational continuity.

Solutions & Products We Leverage/Implement:

  • OT Visibility and Monitoring Platforms:

    • Products: Claroty, Nozomi Networks, Dragos.

    • Solution: Passive deep packet inspection (DPI) to inventory assets, monitor communications, and detect anomalous behavior specific to industrial protocols (Modbus, Profinet, etc.).

  • Industrial Firewalls and Diodes:

    • Products: Fortinet FortiGate, Palo Alto Networks (Industrial Security capabilities), physical data diodes.

    • Solution: Enforcing strict, unidirectional security policies at the boundary between IT and OT networks.

  • Endpoint Protection for Industrial Systems:

    • Products: Specialized antivirus/allow-listing solutions certified for use on critical control endpoints (HMIs, servers).

    • Solution: Providing layered defense for systems that cannot be patched frequently or run traditional security agents.

  • Industrial Security Information and Event Management (SIEM):

    • Products: Integrating OT monitoring data into a central SIEM (e.g., Splunk, Sentinel) for unified IT/OT threat correlation.

    • Solution: Providing C-level visibility into both cyber and operational risks.

Why Wethaq ICT for OT Security? Our team understands that in the OT world, availability and safety always come first. We combine deep cybersecurity knowledge with practical engineering experience, ensuring our solutions enhance protection without compromising the reliability or performance of your critical physical operations.