Glossary and Appendix

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Summary: OT/ICS › Security

Glossary

OT (Operational Technology): Hardware and software systems that monitor and control physical devices and processes in industrial environments.

SCADA (Supervisory Control and Data Acquisition): System architecture for monitoring and controlling industrial processes.

PLC (Programmable Logic Controller): Industrial computer used for automation and control.

Shadow Server: Virtual server that mimics a real PLC, proxying requests to the actual device while applying security filters.

NAT (Network Address Translation): Method of remapping IP addresses and ports for routing traffic between networks.

Modbus: Industrial communication protocol for connecting electronic devices.

Profinet: Industrial Ethernet standard for automation.

S7: Siemens S7 communication protocol used in Profinet systems.

DCP (Discovery and Configuration Protocol): Profinet protocol for device discovery and configuration.

ACL (Access Control List): List of permissions defining access rights for IP addresses.

CIDR (Classless Inter-Domain Routing): Notation for IP addresses and routing (e.g., 192.168.1.0/24).

JWT (JSON Web Token): Compact token format for secure information exchange.

Syslog: Standard protocol for message logging.

MQTT (Message Queuing Telemetry Transport): Lightweight messaging protocol for IoT.