Posts on modbus
7 posts on modbus. Notes from public sources and my own test lab.
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.
The Silent Killer in the Factory: The Cold Reality of the 'Force Coil' Command in OT Systems
Hacking a server in the IT world leads to data leaks; hacking a system in the OT world leads to physical disasters. Let's dive into the vulnerabilities of Modbus/TCP and why the air-gap myth is dangerous.
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.
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.
The Packet That Stops the PLC: Air-Gap Fairy Tales and Realities in the OT World
When you intercept a 'Function Code 05' request from an unauthorized IP on Wireshark, you realize within seconds that the physical valve or motor is no longer under your control. Welcome to the world of OT.
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.
Back to Factory Settings: A Day Among Rusty Pipes and Exposed PLCs
Think air-gapped networks are real? Think again. Let's dive into the world of OT hacking, where Modbus is king and "reboot" is a terrifying word.