Cyber Security for Critical National Infrastructure
See everything. Secure what matters. Stay compliant.
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Full visibility is no longer optional
Critical National Infrastructure (CNI) organisations – across water, utilities, transport, and emergency services – are under increasing pressure. NIS2 mandates tougher controls. Legacy OT systems can’t keep up. And threats are becoming more targeted, more encrypted, and more disruptive.
That’s where Vizst and Gigamon come in.
Together, we deliver full visibility across your hybrid environments – giving you the insights, control, and compliance coverage you need to keep essential services running safely.
Why CNI organisations trust Vizst & Gigamon
Full OT visibility without disruption
Monitor legacy systems like SCADA and PLCs with no agents, no firmware changes, and no operational risk.
See encrypted threats
others miss
Decrypt and inspect OT and IT traffic (even TLS 1.3 with PFS) to reveal hidden risks and meet compliance obligations.
Cut the noise,
keep the insight
Reduce alert fatigue by delivering only the most relevant, high-fidelity traffic to your security tools.
Bridge IT and OT
environments
Achieve true hybrid observability – from the data centre to the control room to the cloud.
Prove compliance, fast-track response
Generate audit-ready metadata for NIS 2 and streamline your incident response with forensic-grade visibility.
Get more from
your tools
Optimise and scale your existing investments by balancing traffic load and filtering out the noise.
Tangible results
Up to 60% fewer alerts to investigate
50% faster detection of real threats
100% OT traffic coverage, including encrypted and legacy protocols
NIS2-ready audit trail and forensics
Why choose Vizst?
Let’s make your critical systems more secure – and more visible. Gigamon delivers the insight. Vizst brings the strategy. Together, we help Critical National Infrastructure organisations like yours, secure essential services without disruption.
CNI experience you can trust
We work closely with water, utilities, transport and emergency service providers – solving real-world challenges with clarity and speed.
Proven security expertise
We understand the unique demands of IT/OT convergence and have the technical depth to navigate it securely.
A partner, not just a provider
Our approach is collaborative, not transactional. We help you design, deploy, and evolve your security architecture.
Recognised performance
We’re Gigamon’s 2024 EMEA Partner of the Year – the first UK partner to earn that title.
Eliminate blind spots on your network
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