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OT Security

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Introduction

OT security focuses on protecting the specialised systems that control industrial operations, such as SCADA systems, PLCs, and other hardware used in manufacturing, utilities, and critical infrastructure (CNI). As these environments become more connected, securing them against cyber threats is essential to ensure safety, uptime, and compliance.

The OT Security Issue

Many enterprises operating industrial systems face challenges in securing OT environments due to their legacy nature, lack of segmentation from IT networks, and minimal built-in security controls. These systems were often designed decades ago with safety and reliability in mind, but not cybersecurity. As OT becomes increasingly connected to IT and cloud infrastructure for efficiency and monitoring, it introduces new risk vectors. Threats like ransomware targeting industrial control systems can disrupt production, damage equipment, and even endanger human safety.

Insecure Remote Access
OT Environments often need remote access for internal and external parties to access and support critical components. These need appropriate security controls to ensure only authorized users can gain access.
Internet-Facing Instrumentation Exploitation
Adversaries can disrupt business operations if they can gain access to internet-facing instrumentation. IT based security controls are often not appropriate and if not correctly deployed can disrupt the environments.
Speaking the Right Language
OT estates have specific protocols that are vital for their environments. It's vital that the security tools speak the right language to understand and protect the environment.
API Weakness
APIs are often used to connect systems across networks, but are also seen as a major weakness by adversaries and a staging post for attacks. Its vital these are protected across IT and OT connectivity.

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BlueFort OT Security Benefits

Enterprise Identity Security Across OT Environments

Extends identity and access management (IAM) principles to Operational Technology (OT), ensuring only authorised users and devices can access critical systems. Bridges the gap between IT and OT identity frameworks for consistent policy enforcement. Protects against insider threats and credential misuse in industrial environments.

Exposure Management and Threat Protection

Continuously identifies and monitors vulnerable assets and exposed services across OT networks. Detects threats like lateral movement, ransomware propagation, and unauthorized changes in real time. Integrates with SIEM and SOAR platforms for automated response and remediation.

OT Solutions That Speak the Right Language

Uses protocol-aware security tools designed specifically for OT environments (e.g., Modbus, DNP3, OPC UA). Ensures effective visibility and control without disrupting sensitive industrial processes. Supports collaboration between OT engineers and security teams through familiar tooling and terminology.

NIST, NIS2, and CAF Compliance

Helps achieve and maintain compliance with critical standards, such as NIST Cybersecurity Framework (CSF), NIS2 Directive (EU), Cyber Assessment Framework (CAF) (UK NCSC). Provides audit-ready reporting, policy alignment, and continuous controls validation.

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What you need to know

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Why work with BlueFort?

BlueFort enables safe modernisation of industrial networks, ensuring uptime, resilience, and compliance with emerging standards. BlueFort’s customers recognize its impartial advice in selecting security solutions that make sense for them. One size does not fit all and BlueFort helps you get the best long-term value using technology from OPSWAT,  iboss, Silverfort and F5.  Whether you are a utility, a manufacturer, or in the defence space, BlueFort has the right combination of products and services to get you to value very quickly.

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