To modernize its cloud-native security infrastructure, Zscaler partnered with NuSummit Cybersecurity to replace its rigid, homegrown PKI with the scalable DigiCert ONE platform. By transitioning to this standards-based foundation, Zscaler gained the ability to manage complex certificate lifecycles across its global Zero Trust ecosystem with unprecedented speed and reliability. DigiCert ONE provided the centralized, automated control necessary to underpin Zscaler’s high-traffic internet access solutions, ensuring consistent protection for users, workloads, and devices. This strategic upgrade eliminated the operational bottlenecks of their legacy system, allowing Zscaler to accelerate innovation, maintain rigorous security standards, and effortlessly scale its cloud-native services for a glo

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