Welcome to Zscaler’s Sub-Processor page where we maintain a current list of Sub-Processors authorized to process Customer Data (which may include Personal Data) for Zscaler’s services and products (the “Products”).

Zscaler performs due diligence of the security and privacy practices of its Sub-processors to ensure Sub-processors provide a level of security and privacy appropriate to their access to Customer Data (which may include Personal Data) and the scope of the services they are engaged to provide. In addition, Zscaler requires its Sub-processors to commit to written obligations regarding their security controls and protection of Personal Data.

Sub-Processor List


Sub-Processor Name

Service(s) Provided


Hosting Providers



Amazon Web Services (AWS)

Hosting for the Products

Hosted Globally

Microsoft Corporation (Azure)

Hosting for the Products

Hosted Globally

Google Cloud Platform

Hosting for the Products

Hosted in the United States

Optional Hosting Provider



Alibaba Cloud

Hosting for Customer Users in China


Support Services Providers


CentraComm Communications *

Augmenting Zscaler’s Support Services for Federal Customers, including responding to Support tickets

United States


Augmenting Zscaler’s Support Services, including responding to Support tickets

Bulgaria, India and Nicaragua

CSS Corp. dba SlashSupport *

Augmenting Zscaler’s Support Services, including TAM support and responding to Support tickets

Poland and India (Support Services)

Costa Rica (TAM Support Services)


Augmenting Zscaler’s Support Services, including responding to Support tickets. 

Japan, Inc. *

Customer support platform

Hosted in the United States

Zscaler Affiliates *

To provide the Products, including Support Services, order processing, etc.



* U.S. Government Customers will receive their Support from this Service Provider.

Please note that in order for Zscaler or its Sub-processor(s) to respond to a Customer support ticket, the Customer would need to (1) submit a support ticket and (2) authorize Zscaler and/or its Sub-processor(s) to access Customer’s Personal Data in order to respond to the support ticket.

Requesting More Information about a Sub-processor

Please email [email protected] to receive more information on the services a Sub-processor provides to Zscaler and such Sub-processor’s security controls, including any available third party security reports or certifications.

Objecting to a Sub-Processor

After reviewing information related to a particular Sub-Processor obtained through the above link, an objection to a Sub-Processor can be made by sending an email to [email protected] with the subject “Sub-Processor Objection”, including the ground(s) for the objections relating to the protection of Personal Data.