DevHacker Noonabout 8 hours ago
Zero-Cost ICS Security Lab Build
9 min read
A security researcher built a virtualized ICS/OT security lab using open-source tools and a standard PC. The lab simulated a production facility with OpenPLC, FUXA, and Ignition SCADA. A Python script using pyModbus overrode a PLC's digital output coil via Modbus/TCP without authentication, demonstrating the protocol's lack of session integrity.
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