Secure your OT. Protect what keeps your business running.

OT Security built for resilience

Technological progress has rapidly transformed IT. And Operational technology (OT) has followed. Industrial systems now converge with IT to unlock the value of data and gain a competitive edge. But this convergence also brings new challenges: strict OT regulations, legacy constraints, and cyber risks that can impact not just systems but safety itself. In OT, Environmental, Health and Safety concerns stand alongside the classic IT pillars of Confidentiality, Integrity and Availability, making these environments a high-value target despite being harder to reach.

NIL delivers a comprehensive suite of industrial cybersecurity services designed to make your OT environment safer, compliant, and ready to grow with your business. Wherever your organization stands on its OT security journey, we bring structure, expertise, and long-term partnership to help you evolve with confidence.

Focused on availability first

Traditional IT controls don’t translate directly to the industrial world. Often, they can even disrupt operations. OT requires a use-case-driven approach shaped by industry-specific standards, with availability as the highest priority and every control protecting continuous operation.

Yet attackers know exactly where industrial organisations are most vulnerable. When OT isn’t affected by IT spillover or random attacks, it faces highly targeted, increasingly sophisticated threats. For many industries where price and uptime are critical, a single incident can be devastating.

We are here to help.

What makes our OT security different?

We embrace complexity

We are not here to sell “product of the year.” We focus on people – our experts and your operators who know your processes best. Our approach is collaborative, hands-on, and tailored. We learn your environment, understand the way you operate, and co-create solutions that fit and grow with you. And when the project is complete, we don’t disappear. We stand beside you as a long-term partner.

A step-based journey

Strong OT security is built step by step. Each milestone forms the foundation for the next, creating a long-term, trust-based relationship. You choose how far you want to go. We’re here for one phase or the whole journey.

Your options include:

Asset inventory

Periodic collection of asset and vulnerability data or a part of larger design efforts.

OT security assessments

In line with ISA/IEC 62443, ISO 27000, TISAX, or industry-specific frameworks.

OT security workshops

From blueprints and supply chain security to procurement and patching policies; anything tied to ISA/IEC 62443.

Technical services

A broad range of OT design, deployment, and optimization services.

Managed services

When ready, we help carry the operational load with dedicated OT security management.

What we cover at NIL in OT Security

OT network infrastructure: Wired, wireless, and radio networks with recommended tooling and operator training.
OT zone segmentation: ISA/IEC 62443-aligned segmentation using the right mix of firewalls, routers, and controls.
Remote access: Secure, use-case-driven access tailored to your needs and required security level.
Authentication & authorisation: User, device, and process authentication aligned to industrial use cases.
Incident detection & response: From anomaly detection to SIEM and IT/OT security integration.
Business continuity: Strategies and procedures to minimize operational impact during incidents.
Industrial DMZ & data center: Architectures that maintain operational continuity during large-scale events.
IT/OT integration: Process-driven, secure, and structured integration of two worlds.

Protect critical processes and industrial environments

Get a full overview and discover how NIL, part of the Conscia, helps you reduce risks in OT environments, improve visibility across devices and communications, and strengthen the security of manufacturing, process, and other critical systems.

Download the full service description

Why choose NIL, part of Conscia

30+ years of experience securing complex enterprise and industrial environments
Built for critical infrastructure: manufacturing, energy, utilities, transport
Fast, scalable engagement model powered by proven SOC practices
More value with less overhead compared to building in-house OT security capabilities

Take control of OT cyber risk today

Modernise your industrial cyber defense without compromising uptime, safety, or reliability.

Franciscus Gasthuis & Vlietland integrates IT and security infrastructure using Conscia NOC and SOC services.

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