Siemens modernized cybersecurity across its global operations by replacing legacy perimeter-based infrastructure with the Zscaler Zero Trust Exchange, enabling secure connectivity for more than 320,000 users across 190 countries and 120 factories. Traditional firewalls, proxies, and VPNs limited scalability, slowed mergers and acquisitions, and increased operational complexity. Siemens deployed Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), and Zscaler Digital Experience (ZDX) to secure internet access, provide least-privilege access to over 40,000 private applications, and improve end-user experience worldwide. The Zero Trust transformation enabled the company to transition its global workforce to remote work in under two weeks, reduce infrastructure and management costs by

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