Operational Technology (OT) solutions

Keeping the chaos out of critical systems

The more connected your factory gets, the more potential entry points there are for bad actors.  

Visibility, threat detection, segmentation, and recovery - that’s a lot to consider, and we’re barely scratching the surface. Instead of juggling a dozen vendors and tools, wouldn’t it be easier to have one expert team manage it all?  

Nasstar is helping forward-thinking companies secure the operational technology solutions powering factories, hospitals, energy grids, and beyond. By simplifying the complex, we unlock space for innovation and long-term planning. 

Our recent recognition as one of only two UK Expert Partners to earn Fortinet’s SD-WAN, OT, and SecOps specialisations is a testament to our commitment. With over 200 Fortinet certifications, our team brings deep expertise to help organisations across energy, manufacturing, and logistics stay secure and resilient in the face of complex cyber threats. 

Whatourexpertsays...

Each industry has its own OT profile. What’s risky for a pharmaceutical plant is very different from what an energy company or car manufacturer faces. That’s why strong OT security starts with understanding each sector’s unique processes, rules, and risks, and then building the right protection around them.

Darren Hogan Director of Portfolio, Nasstar
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Understand 5 critical cyber vulnerabilities in energy and industry

Why choose Nasstar?

We deliver OT security that’s powerful, practical, and tailored to your industry.

FAQs

01

Operational Technology (OT) refers to the hardware and software systems that monitor and control physical devices, processes, and infrastructure such as factory machinery, production lines, energy grids, and more. Operational technology solutions are the backbone of industries like manufacturing, utilities, and transportation. 

Unlike traditional IT, which focuses on data processing and communication, OT is all about real-time performance, safety, and uptime. The systems are often embedded in Industrial Control Systems (ICS) and are tightly integrated with the physical world. While IT deals with servers and software, OT cyber security ensures that machines, sensors, and controllers operate safely without being compromised by cyber threats. 

02

OT cyber security is vital because any disruption in Operational Technology can lead to serious real-world consequences, e.g, production halts, equipment damage, or even public safety risks. In sectors like manufacturing, energy, and healthcare, where downtime isn’t an option, OT security is as critical as the systems it protects. 

With the rise of connected devices and Industry 4.0, industrial cyber security must address a growing attack surface. Hackers are increasingly targeting vulnerable Industrial Control Systems (ICS), looking for ways to interrupt operations or gain access to sensitive industrial data. That’s why strong OT security is essential for business continuity and resilience. 

03

Managing OT cyber security in manufacturing comes with unique challenges. Many Operational Technology systems are legacy setups that were never designed to connect to the internet, let alone withstand modern cyber attacks. Retrofitting them with industrial cyber security controls without disrupting production can be complex. 

There’s also a cultural and operational gap between IT and OT teams. While IT focuses on confidentiality and data protection, OT prioritises safety, uptime, and system integrity. Aligning these goals requires specialised expertise, particularly in securing Industrial Control Systems (ICS) while keeping manufacturing operations running smoothly.

04

Smart manufacturing and Industry 4.0 are transforming the way factories operate. By connecting Operational Technology (OT) with digital systems, manufacturers gain real-time insights, predictive analytics, and automation capabilities that drive efficiency, reduce downtime, and cut costs. 

However, these benefits come with the need for robust OT security and industrial cyber security practices. As Industrial Control Systems (ICS) become more connected, the risk of cyber threats increases. A secure Industry 4.0 strategy ensures that innovation and productivity go hand-in-hand with protection and resilience. 

05

The Industrial Internet of Things (IIoT) boosts efficiency by connecting devices, sensors, and machines across the factory floor. These smart devices collect and share data in real time, helping businesses optimise operations, improve maintenance schedules, and reduce unplanned downtime. 

When integrated with secure Operational Technology (OT) infrastructure, IIoT creates more agile, data-driven manufacturing environments. But with increased connectivity comes increased risk. That’s why IIoT success depends on strong OT security and industrial cyber security controls to safeguard systems like Industrial Control Systems (ICS) from potential threats. 

06

SCADA systems and Industrial Control Systems (ICS) are at the heart of Operational Technology. They monitor and control everything from water treatment plants to assembly lines. These systems are high-value targets for cyber attacks, especially in critical infrastructure sectors. 

OT security solutions protect SCADA and ICS by segmenting networks, enforcing access controls, detecting anomalies, and applying real-time threat intelligence. A modern industrial cyber security approach ensures these systems are not just protected, but also resilient, with continuous monitoring and rapid response capabilities to prevent disruption or damage. 

07

Securing Industrial Control Systems (ICS) starts with knowing what assets are in your OT environment and how they communicate. From there, best practices include network segmentation, multi-factor authentication, regular vulnerability assessments, and implementing OT security policies tailored to industrial operations. 

It’s also crucial to bridge the gap between IT and OT teams, ensuring they collaborate on a unified industrial cyber security strategy. Regular training, backup and recovery planning, and adopting a zero-trust mindset are all key to protecting ICS environments and maintaining a secure, resilient Operational Technology landscape. 

08

Industries like manufacturing, energy, utilities, transport, and healthcare benefit most from operational technology solutions. These solutions are crucial for protecting critical infrastructure and maintaining the reliability of operations in these sectors.