A major UK utility responsible for delivering more than 100 million liters of clean water daily to over 1.6 million people strengthened the cybersecurity of its critical infrastructure using Akamai Guardicore Segmentation. Operating a complex mix of IT and operational technology (OT), including legacy systems and programmable logic controllers (PLCs), the organization needed greater visibility and protection against evolving cyberthreats while meeting strict regulatory requirements. By deploying software-based microsegmentation, it gained real-time visibility across IT and OT environments, isolated hundreds of critical systems, prevented unauthorized east-west traffic, and reduced attack risk without costly hardware upgrades. The solution also streamlined compliance with the UK's Drinking

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