Data Centre World 2026, themed "Protecting the Data Centre: Security in the Modern World", reinforced two shifts reshaping security across the data centre sector. First, physical and cyber security are now treated as a single conversation, with access control, perimeter protection, and biometric systems discussed alongside firewalls and network segmentation. Second, prevention is replacing reaction, with threat intelligence, predictive monitoring, and AI-enabled detection becoming baseline expectations rather than optional extras. For anyone specifying, installing, or maintaining security systems in a data centre environment, both shifts have immediate consequences.
1. Security is no longer just cyber.
Unsurprisingly, there was a strong focus on AI-driven threat detection, zero-trust architecture and advanced cyber protection.
As data centres grow in scale and complexity, the conversation is shifting from "cyber security" to total risk management. Physical access, perimeter control, biometric systems and human behaviour are now firmly part of the same conversation as firewalls and network segmentation.
For us at Hawthorne, that convergence isn't new - but it's encouraging to see it recognised across the industry.
2. Proactive beats reactive.
Another clear theme was the move towards proactive security models.
Threat intelligence, predictive monitoring and AI-enabled detection are increasingly expected, not optional. The direction of travel is clear: operators don't want to respond to incidents. They want to prevent them.
That mindset shift applies just as much to physical security planning. Designing out vulnerability at build stage, stress-testing site layouts, scenario planning for physical intrusion or protest risk - these are no longer theoretical exercises.
They're becoming baseline expectations.
One thing that surprised me
That although AI technology is a massive focus, a huge part of the show is about industrial infrastructure.
One thing that concerned me
That it could be assumed that cyber security covers everything. This could lead to ignoring equally critical areas such as physical security, human error, supply chain vulnerabilities and operational failures.
One thing that excited me
Seeing technology you wouldn't normally see - especially together under one roof.
And something lighter from the day...
Although there was a professional theme for the day, some of the stands had a lighter feel - football and arcade claw machines included.
Final reflection
If there was one consistent takeaway, it's this: security in modern data centres must be integrated, intelligent and intentional.
Cyber and physical risk are converging. Regulatory expectations are increasing. And the environments we protect are more complex than ever.
For operators, the challenge is keeping pace.
For security partners, the responsibility is helping them do that without overcomplicating the solution.
Data centres may be evolving rapidly - but the fundamentals remain the same: understand the risk, design intelligently, and never treat security as an afterthought.
Leanne
Hawthorne
Data Centre Security
Hawthorne delivers fire, life-safety and physical security solutions for data centres and critical environments across the UK. Get in touch to discuss your requirements.
Last updated: April 2026