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Working Group

Industrial Control Systems

This working group aims to develop security guidance to encourage cloud providers, asset owners and device manufacturers towards adopting best practices to secure industrial control systems.
Cloud Industrial Internet of Things (IIoT) - Industrial Control Systems Security Glossary
Cloud Industrial Internet of Things (IIoT) - Industrial Control Systems Security Glossary

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Industrial Control Systems
Working Group Overview
The goal of this group is to develop security guidance to encourage cloud providers, asset owners and device manufacturers towards adopting best practices to secure industrial control systems. We welcome anyone who would like to join, even if you would like to just listen-in on your first call. 

What do we discuss? 
During these meetings we typically discuss changes in the industry and collaborate on projects the group is currently working on.

Drafts & Important Docs

Working Group Leadership

William Ho
William Ho

William Ho

Head of IT, Infrastructure and Security for ATT Systems Group

William is co-founder of Indonesia CIO network with over 25+ years of ICT background and extensive Business-Technology experience and exposure in IT infrastructure & Architecture design, Converged infrastructure solutions, Cloud Computing, Information Security, Data protection & security, Cloud Security, Disaster recovery/Business Continuity Management, Risk Management and Business-IT compliance.

Professionally, William is a professio...

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Sabri Khemissa
Sabri Khemissa

Sabri Khemissa

Sabri is the ICS group cybersecurity officer a French multinational corporation that produce a variety of construction and high-performance materials. He is in charge of developing and maintaining the cybersecurity strategy, building and coordinate a cross-country and cross-business cybersecurity governance, supporting business initiatives, including strategic Smart Manufacturing and IIoT projects with a large shift to cloud services, defin...

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Darnell Washington
Darnell Washington

Darnell Washington

Mr. Washington’s experience spans over 35 years in information technology and cybersecurity, He began his career at the Johns Hopkins Applied Physics Laboratory and has continuously progressive experience working developing architectures for banking and financial organizations such as the Federal Reserve and collaborating as a subject matter expert for the US Department of Homeland Security Federal Law Enforcement Training Center.

Hi...

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Publications in ReviewOpen Until
Key Management in Cloud Services 2025 Update Sep 26, 2025
Applying Zero Trust Principles with Network-Infrastructure Hiding Protocol - Stealth Mode Software Defined Perimeter for Network InfrastructureOct 16, 2025
Enabling Zero Trust for Cellular Networks - Guidance for Securing Mobile NetworksOct 16, 2025
View all
Who can join?

Anyone can join a working group, whether you have years of experience or want to just participate as a fly on the wall.

What is the time commitment?

The time commitment for this group varies depending on the project. You can spend a 15 minutes helping review a publication that's nearly finished or help author a publication from start to finish.

Open Peer Reviews

Peer reviews allow security professionals from around the world to provide feedback on CSA research before it is published.

Learn how to participate in a peer review here.

Key Management in Cloud Services 2025 Update

Open Until: 09/26/2025

This document is an updated edition of the original “Key Management in Cloud Services” paper, first published in 2020. ...

Applying Zero Trust Principles with Network-Infrastructure Hiding Protocol - Stealth Mode Software Defined Perimeter for Network Infrastructure

Open Until: 10/16/2025

Our core TCP/IP networking systems and protocols have been with us since the 1970s, and have in many ways served us well. T...

Enabling Zero Trust for Cellular Networks - Guidance for Securing Mobile Networks

Open Until: 10/16/2025

The rapid evolution of cellular network technologies, particularly the rollout of 5G, Open Radio Access Network (ORAN), and...