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Sedat Özdemir

Posts on ics

6 posts on ics. Notes from public sources and my own test lab.

Breaking the Factory Default: Why ‘Modern’ Security Solutions are Crashing OT Networks

Everyone is talking about IT/OT convergence, but shoving office-grade scanners into a factory network is a recipe for disaster. Here’s why your legacy PLCs hate your 'next-gen' security tools.

June 26, 2026·4 dk readicsindustrial-securityot-security

The Silent Packet Before the Valves Close: Red Teaming Industrial Systems and the Invisible Threats

In the OT world, a single unauthenticated Modbus packet can be more devastating than a Domain Admin takeover. Let's dive into why industrial systems are still living in the security dark ages and how we can protect them.

June 20, 2026·4 dk readcyber-securityicsmodbus

Not Vanilla Ice Cream, but Industrial Disaster: The Air-Gap Lie and the Defenseless World of PLCs

Think your industrial systems are safe just because they aren't on the internet? Think again. Let’s talk about the reality of OT security and how a simple Python script can wreak havoc on an unprotected PLC.

June 4, 2026·4 dk readicsindustrial-securityot-security

Hitting the 'Reset' Button in the Factory: Why Red Teaming Industrial Systems Gets the Heart Racing

A deep dive into the high-stakes world of Industrial Control Systems (OT) security, featuring a 'learning-the-hard-way' story about how a simple Nmap scan can halt an entire production line.

April 11, 2026·4 dk readicsmodbusot-security

When the PLC Heartbeat Stops: Red Teaming Industrial Systems and the Harsh Reality

In the world of ICS/OT, a single hex code can be the difference between a smooth operation and physical disaster. Here's why security in the field is a completely different ballgame.

April 1, 2026·4 dk readcyber-securityicsmodbus

When Valves Turn by Themselves: Inside the Dark Corridors of Industrial Systems

A midnight emergency call, the illusion of a 'perfectly fine' SCADA dashboard while physical machines struggle, and the harsh reality that air-gapped systems are never as secure as we think.

February 23, 2026·4 dk readicsindustrialcybersecuritymodbus