CASE STUDY Curalate and Zscaler Private Access TM The challenge Curalate runs its entire IT infrastructure on AWS, including software development and production. This infrastructure is housed in Virtual Private Cloud (VPC) instances in the United States. Access to applications housed in the VPCs was provided by OpenVPN, an open-source VPN product with virtual termination in the cloud. Because Curalate was literally born in the cloud, the company did not have physical data centers; VPN connections could therefore be terminated directly in AWS, avoiding the need for a site-to- site VPN. The problems that Curalate encountered, however, are common to any VPN deployment. To access a specific application, the end user had to know which VPC hosted that application. This meant that in

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