Watercare modernized cybersecurity by implementing the Zscaler Zero Trust Exchange to protect critical water infrastructure serving 1.7 million residents across Auckland, New Zealand. Replacing legacy VPNs and web gateways, the utility rapidly expanded Zscaler Private Access (ZPA) to 800 users in less than half a day before adding Internet Access (ZIA) and Digital Experience (ZDX). The deployment dramatically improved Microsoft Teams and Microsoft 365 performance, reduced application troubleshooting from weeks to minutes through AI-powered analytics, and enabled secure connectivity for industrial IoT and operational technology across 1,300 sites. By simplifying management, improving user experience, and strengthening cyber resilience, Watercare established a scalable zero trust platform su

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