Communication technology relevant to OT environment
Goals
- You will be able to distinguishing between the communication needs of IT and OT
- You will be able to explain the role of communication systems in enabling real-time data exchange and control in OT environments
- You will be able to describe the different wired communication technologies used in OT
- You will be able to identify key wireless communication technologies in OT
- You will be able to identify communication security risks in OT, including threats like eavesdropping and data manipulation
- You will be able to apply network segmentation strategies to improve OT communication security by isolating OT from IT networks
- You will be able to configure secure access control mechanisms, including authentication and authorization, for OT communication systems
- You will be able to explain the challenges of integrating heterogeneous OT systems and ensuring communication compatibility across legacy and modern technologies
- You will be able to explain the role of cloud computing in OT communication and its use in aggregating and analyzing OT data
- You will be able to identify the challenges of remote OT communication
Course Slides
Exercices
In the related exercice section, you will experience the use of concepts presented in the slides.
Links
- IANA IPv4 Address Space Registry
- RIPE (Réseaux IP Européens Network Coordination Centre) Database Text Search - Europe, the Middle East, and parts of Central Asia Internet Registry
- Complete List of Class A and Class B Networks - values from 1999
- MODBUS APPLICATION PROTOCOL SPECIFICATION (a copy can be accessed here)
- MODBUS/TCP Security
- Complete Modbus Guide
- EtherCAT – the Ethernet fieldbus
- Introduction to EtherCAT Technology and the EtherCAT Protocol
- Understanding EtherCAT: A High-Performance Industrial Ethernet Protocol
- EtherCAT System Description
- Real-Time Performance of Industrial IoT Communication Technologies: A Review
- Real-Time Capable Internet Technologies for Wired Communication in the Industrial IoT—a Survey
- WIRELESSHART vs ZIGBEE network
- A Comparison of WirelessHART and ZigBee for Industrial Applicatiions
- When HART goes wireless: Understanding and implementing the WirelessHART standard
- WirelessHART: Applying Wireless Technology in Real‐Time Industrial Process Control
- Analysis of Wireless Industrial Automation Standards: ISA-100.11a and WirelessHART
- Zigbee Frequency Bands
- ZigBee Security: Basics (Part 2)
- AN1233: Zigbee Security
- Zigbee Security 101 (Architecture and Security Issues)
- Comparison of Zigbee, Z-Wave, Wi-Fi, and Bluetooth Wireless Technologies Used in Home Automation (though not OT, it still brings interesting elements to analyze)
- Application Note “IEEE 1588v2 and SyncE—Applications and Operation Using Microsemi’s Synchronization Solution”
- Silicon Labs Application Note “SYNCE AND IEEE 1588: SYNC DISTRIBUTION FOR A UNIFIED NETWORK”
- Guide to Intrusion Detection and Prevention Systems (IDPS)
- NIST Special Publication 800-207 “Zero Trust Architecture”
- CISA Zero Trust Maturity Model
- Introduction to OPC Unified Architecture
- OPC UA Specifications
- OPC UA Landing Page
- OPC Foundation Presentations
- Python OPC-UA Documentation
- Introduction to IEC61850 Basics (or here)
- Understanding IEC61850
Tools
- Wireshark User Guide
- StationX Wireshark User Guide
- tshark(1) Manual Page
- https://tshark.dev/
- OPC Foundation GitHub Repositories