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The firms have established a collaboration agreement, aimed at bolstering cloud security capabilities.
Siemens has partnered with Zscaler to enable customers to securely access operational technology (OT) systems and applications in the production network from the workplace.
The firms have expanded the ‘Defence-in-Depth’ OT concept secured by a zero trust architecture.
Users can install the app connector for the cloud-based remote access service Zscaler Private Access (ZPA) on a Docker container in the Siemens Scalance LPE local processing platform, creating an access solution for industrial environments.
This is expected to facilitate more restrictive configuration of existing firewall rules, and the reduction of operating costs for administration and monitoring.
"Operators of larger corporate networks are faced with the challenge of carrying out production work remotely with uniform security guidelines for OT and IT,” Hanna Hennig, information technology CIO at Siemens, said.
“By combining our communication technology with Zscaler technology, we can bring IT's zero trust approach directly into the OT environment.
“We have already successfully tested this approach in some of our own plants."
Deepak Patel, OT security, office of CEO at Zscaler, added, "Today, the protection of companies can no longer be limited to just IT settings.
“In times of converging IT and OT infrastructures, organisations must also take the security and access requirements of their production surroundings into account.
"Together, Siemens and Zscaler are now bringing the benefits of zero trust to OT environments, thereby increasing control and protection mechanisms for all technology assets, including in production environments."
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