Hydro strengthened its cybersecurity posture and advanced its sustainability objectives by adopting the Zscaler Zero Trust Exchange as part of its journey toward becoming a 100% cloud-first organization. The company faced challenges with energy-intensive legacy security hardware that conflicted with corporate sustainability goals, a low-bandwidth MPLS network that could not support growing cloud traffic demands, and traditional VPNs that provided excessive access and contributed to security risks, including a costly ransomware incident. By implementing a zero trust architecture, Hydro secured 33,000 employees, reduced its attack surface, and simplified operations through a single-vendor approach that lowered costs and complexity. The transformation also supported the retirement of legacy i

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