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>> IOT/ICS HACKING

Exploiting vulnerabilities in Internet of Things devices and Industrial Control Systems. Learn firmware analysis, hardware hacking, protocol exploitation (Modbus, DNP3, Profinet), default credential exploitation, and physical security bypasses. Critical infrastructure security research and practical exploitation techniques.

[TOPIC]

PLC Exploitation

During an Operational Technology (OT) security assessment, we identified multiple critical vulnerabilities in a Programmable Logic Controller (PLC) system. This write-up demonstrates how attackers can exploit unencrypted Modbus communications, lack of password protection, and misconfigured serial ports to gain unauthorized control over industrial control systems.

Published:2025.12

Severity:CRITICAL

Vulnerabilities:No Password Protection | Unencrypted Modbus TCP | Misconfigured Serial Port

Impact:Unauthorized PLC Control | Read/Write PLC Registers Remotely | Industrial System Compromise

PLCICSMODBUSOT_SECURITY

[CLICK TO VIEW] → PLC exploitation via Modbus protocol vulnerabilities