OT Cyber Security

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OT / ICS

OT Cyber Security

End-to-end OT security services for industrial control environments (PLC, HMI, SCADA, RTU, etc.)— from asset inventory and topology visibility to risk assessment, segmentation, secure remote access, continuous monitoring, and incident management.

Site-ready approach Minimized downtime impact Segmentation & access control

Our OT Cyber Security Services

A field-proven OT security service set that prioritizes operational continuity and delivers measurable outcomes.

Asset Discovery & Inventory Management

OT assets (PLC, HMI, SCADA, RTU, switches, firewalls, etc.) are identified through field work and passive/active discovery methods. Criticality, location, and communication relationships are documented to establish a sustainable inventory.

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OT Network Topology Analysis

The physical and logical topology of the OT network is mapped. Bottlenecks, single points of failure, unauthorized bridges, and risky “flat network” patterns are identified and turned into an improvement plan.

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Risk & Vulnerability Assessment

OT assets are assessed across configuration risks, known vulnerabilities, patch posture, and threat scenarios. Findings are prioritized with production impact in mind and delivered with mitigation recommendations.

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Secure OT Network Architecture Design

Based on analysis outputs, a layered architecture aligned with OT system structure and access needs is designed. Using IEC 62443 principles, zone/conduit approach, security control placement, and traffic rules are defined.

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Network Segmentation

The OT environment is segmented with an approach that protects operational continuity. Communication rules are defined to reduce unnecessary lateral movement and apply stronger controls to critical lines.

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Access Control & Secure Remote Access

User, system, and service access is defined with role-based controls. Inter-segment traffic is governed; remote access is provided via secure architectures such as VPN + MFA, jump/bastion hosts, and session recording/monitoring.

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OT Penetration Testing

Tests are executed using controlled methods tailored to OT sensitivity. Security weaknesses, weak authentication, mis-segmentation, and risky protocol usage are identified and translated into an actionable remediation plan.

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Continuous Monitoring & Incident Management

OT network and system activities are continuously monitored. Anomalies, threats, and incidents are detected and handled through incident response workflows, including telemetry/log correlation and alert tuning.

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OT Cyber Security Awareness Training

OT security is not only about technical controls. Role-based trainings are planned for operations and relevant teams, focusing on correct response habits, baseline hygiene, and procedures aligned with real-world plant conditions.

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For more details, please review
You can find scope and methodology details on the OSKON Security website.
oskonsecurity.com
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