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IT/OT Network Segmentation: The Purdue Model Is the Map, IEC 62443 Zones and Conduits Are the Rules
Purdue tells you where things live. IEC 62443 zones and conduits tell you who's allowed to talk.[…]
Guppy-Level Death: What Musk’s Neocloud Warning Means, and Why It Rhymes With 2000 and 2008
Musk says 200+ neoclouds face "guppy-level death." Here's what a neocloud is, how GPU-backed debt works, what[…]
AI Reverse Engineering Isn’t Magic: What’s Really Happening When Software Gets Cloned
Headlines say you can upload an app to a chatbot and get a free clone. Here's what[…]
What Actually Happens When You Hit Enter on an AI Prompt
You hit Enter and words start appearing a second later. Here's the whole trip, traced like a[…]
Run Your Own AI at Home for the Price of a Gaming PC
The AI boom made gaming PCs pricier, and a gaming PC is still the cheapest way to[…]
Why AI Is Secretly a Networking Problem
Everyone talks about the GPUs. But tens of thousands of them only act like one computer if[…]
SIP One-Way Audio: The Doorbell Rang, So Where Did the Conversation Go?
Calls connect, but one side can't hear. Here's why SIP one-way audio is almost always a media[…]
AI Inference Rationing: Is This the Day the Music Died?
Frontier labs are already throttling heavy users. What happens when AI inference rationing becomes normal? Four scenarios[…]
AI Rent vs. Own vs. Hybrid: A Free TCO Decision Model in Excel
A free Excel model for deciding whether to rent frontier AI through APIs, own the infrastructure, or[…]
How to Build Your Own Private Family Streaming Service (and Disrupt a Several-Hundred-Billion-Dollar Industry) With About $1,000 and an Afternoon on the Workbench
My home media stack runs on three Raspberry Pi 5 boards: a Plex server on NVMe, a[…]