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Jul 12, 2026Why this blog exists
Hi, I’m Marius Gjerd, a developer based in Bergen, Norway, working at the crossroads of code and...
Jul 12, 20262 min read0 reactions0 comments
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Tag archive
#ot
Understanding OT Lights: Their Role in Modern Surgical Procedures
Every successful surgery depends on a combination of skilled surgeons, advanced medical equipment,...
Jul 2, 20264 min read0 reactions0 comments
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Jun 19, 2026Operational Technology (OT) Security: Safeguarding Industrial Systems in 2026
Industrial organizations are rapidly adopting digital technologies to improve operational efficiency,...
Jun 19, 20263 min read0 reactions0 comments
I Stripped Away the Vendor Software and Hand-Crafted 5 Industrial Handshakes From Scratch
By RUGERO Tesla (@404Saint). A few weeks back, I wrote an article about how easy it is to take...
Jun 9, 20267 min read18 reactions2 comments
Dogfooding MEA Against My Zero-Cost Homelab (And the Troubleshooting Hell Along the Way
By RUGERO Tesla (@404Saint). It’s Wednesday, and if you’re trying to maintain a consistent writing...
Jun 3, 20264 min read17 reactions0 comments
I Spent Hours Fighting a Silent Subnet Conflict to Build an Isolated ICS Security Lab (And What It Taught Me About the Linux Kernel)
By RUGERO Tesla (@404Saint). We’ve all been there. You have a free afternoon, a great idea, and a...
May 22, 20265 min read23 reactions0 comments
I Wrote 10 Lines of Python and Took Control of a PLC. No Password Required.
By RUGERO Tesla (@404Saint). Before today, I had never touched industrial security. I just had a PC,...
May 18, 20267 min read21 reactions2 comments
Why Manufacturing Cybersecurity Must Move to Secure-by-Design - Insights by Saleem Yousaf
Manufacturing organisations are rapidly digitising operations to improve automation, efficiency, and...
May 12, 20261 min read0 reactions0 comments
Securing the Air-Gap: Building a Hardware-Aware Forensic Suite for ICS/OT
By RUGERO Tesla (@404Saint) The air-gap is a lie Every ICS engineer will tell you their...
Apr 13, 20264 min read15 reactions0 comments
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Apr 17, 2024IoT Security Vulnerabilities in Operational Technology: Addressing the Risks
In today's digital age, integrating Internet of Things (IoT) devices into [operational technology...
Apr 17, 20245 min read0 reactions0 comments
Introduction to industrial security
Introduction to OT security, why is it important and tools
Mar 25, 20203 min read38 reactions0 comments