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Modbuzz – Lightweight Modbus TCP Tool for ICS Labs

When exploring the world of Industrial Control Systems security, one quickly realizes that the tooling landscape is quite different from what we are used to in traditional IT penetration testing. Protocols like Modbus TCP are still heavily used in many environments, and understanding how to interact with them is crucial for both defenders and security …

Modbus an Introduction

Fieldbus Before Modbus was invented the issue of connection-oriented control was addressed, where each contact had to be individually wired, requiring two wires per contact. As the amount of information to be transmitted increased, the complexity of the wiring also grew. The solution came with the introduction of the fieldbus, whose basic principle is similar …