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- The Digital Factory - Industry Debates - Part 4
The Digital Factory - Industry Debates - Part 4
[ST # 83] ✅ Most common Industry Debates (IT/OT Convergence, Purdue Model Dead or Alive, Digital transformation - a strategy or a project, MQTT vs. OPC UA and more) and other updates. [Securing Things by M. Yousuf Faisal]

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Hey there,
Hope you are doing well.
This is Part 4 of “The Digital Factory” series.
In case you’ve missed first three parts, check them out below:
Part 1 - The Digital Factory (4.0) - Hub & Spoke - we covered what is industry 3.0, industry 4.0, digital factory and UNS concepts. Concluded that these new approaches, challenges the status quo for industry 3.0 and generates a debate around the “questionable” use of Purdue model for network segmentation - whether its dead or alive, reference network architectures and why Security folks are in a fist fight most of the time with solution architects and or automation professionals.
Part 2 - The Digital Factory (4.0) - Data Flow - we covered industrial DataOps, industry 4.0 data flow lifecycle, DataOps and security considerations. <data flow * and tie it together add comments>.
Part 3 - The Digital Factory (4.0) - Architecture - we covered different reference models, IT/OT event driven architecture, UNS and more.
In this Part 4 - The Digital Factory (4.0) - Industry Debates, we’ll be covering some famous industry debates that we all should be familiar with (Cyber leaders, CISOs/CTOs, practitioners and most importantly newbies):
🧑🎓 IT & OT Convergence - is it converging or not? Yes or No?
🧑🎓 Purdue Model - is it dead or alive? Yes or No?
↪️ on a decade old position by Gartner - The Death of Purdue Model.
📲 Digital Transformation - Project or Strategy? (& failures).
↪️ MQTT vs. OPC UA - Industry 4.0 protocol winner?
✍️ And many more…
Am excited, are you Ready?
If so, let’s dig in.
Happy Holidays and Seasons greetings.
Hope you had or having good holidays with family and friends.
Yours truly.
— Yousuf.
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