Unmasking OT Security: Decoding Raw Industrial Protocols Beyond Vendor Abstractions

This article strips away opaque vendor software to expose the raw binary handshakes that control our critical infrastructure. By dissecting protocols like Modbus/TCP and DNP3 at the byte level, it emphasizes the critical need for foundational wire-level analysis in advancing OT Security. This empirical approach shifts the industry focus from theoretical overviews to practical, deep-packet understanding.