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- Cybersecurity and AI Across IT-OT Automation Stack - Monthly Digest # 4
Cybersecurity and AI Across IT-OT Automation Stack - Monthly Digest # 4
[ST # 81] ✅ News, Updates, Insights around Cybersecurity of Cloud, ERP, DMZ, MES, SCADA, HMI, PLC/Edge, layers and references. 🚀 [Securing Things by M. Yousuf Faisal]
M. Yousuf Faisal
December 03, 2025
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Disclaimer: All views presented here, in this newsletter, are my own.
Author or the newsletter are not liable for any actions taken by any individual or any organization / business / entity. The information provided is for education and awareness purposes only and is not specific to any business and or situation.
Hey there,
Hope you are doing well.
Is your OT environment truly secure?
From cloud platforms to physical processes, cyber threats are evolving. In 2025, cyber threats are no longer just about data.
They’re increasingly hitting machines, from cloud-based ERP systems to PLCs, SCADA networks, and even physical sensors.
As IT and OT environments connects, risk surfaces multiply — and threat actors are evolving fast.
This is Cybersecurity & AI across IT-OT Automation Stack - Monthly Digest # 4.
✍️↪️ In this newsletter edition; we walk through what’s happening right now in cyber-industrial security, layer by layer, and provide actionable insights for every layer of the industrial automation stack — empowering asset owners and cybersecurity professionals to build resilient defenses in 2025.
🤖AI Cybersecurity Across IT-OT Automation Stack
🔵 Layer 5 — Cloud (Enterprise IT + OT Cloud Platforms)
🟣 Layer 4 — ERP Systems (SAP, Oracle, Dynamics, etc.)
🟠 Layer 3.5 — DMZ
🔶Layer 3 — MES — the control plane for manufacturing execution
🟡 Layer 2 — SCADA / Supervisory Control
🟢 Layer 1 — HMI (Human-Machine Interfaces)
🔴 Layer 1 — PLCs / RTUs / Edge Devices
⚫Layer 0 — Physical Processes (Sensors, Actuators, Machines)
🧭Final Thoughts / Way Forward - for CXOs 🤝
📘‼️and some references.
Whether you’re securing the cloud or locking down your shop-floor PLCs, this is your short guide to industrial cyber resilience.
But before we begin, do me a favour and make sure you “Subscribe” to let me know that you care and keep me motivated to publish more. Thanks!
Ready? let’s dig in.
Yours truly.
— Yousuf.
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Quick recap from previous Digests!
In case you’ve missed, here’s what we’ve covered in the earlier digests!
✍️ Digest # 0 ✍️ Digest # 1 ✍️ Digest #2 ✍️ Digest #3
Read the insights from Digest 4 in combination of the previous digests.
↪️ Let us know, in the future Digest # 5, what you’ll want me to cover more?
To continue reading about each layer of the automation stack for news & insights, Trends/Risks, Why CXOs should care and immediate actions, subscribe and access for free.
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