Petrochemical plant

OT industrial cybersecurity: Hardening the ModBus protocol

OT stands for Operational Technology, contrary to the IT that is Information Technology. Inside IT we put things such as servers, computers, laptops, smartphones, etc. OT is more focused on more low-level devices that keep factory lines busy, as for instance, a PLC (Programmable Logic Controller) that can control an hydraulic valve or a nuclear…
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