Free OT Cybersecurity Training & Resources

Operational Technology (OT) cybersecurity is crucial for protecting industrial systems, critical infrastructure, and manufacturing environments. Here are free resources to strengthen your OT security skills:

🔹 Cybersecurity and Infrastructure Security Agency ICS Training – Free courses on industrial control systems (ICS) cybersecurity.
👉 https://lnkd.in/dTiUXNpU

🔹 Abhisam’s Free OT Cybersecurity Course – Covers key OT security challenges and solutions.
👉 https://lnkd.in/dceWNzzW

🔹 Fortinet’s OT Security Training – Learn to protect OT environments using Fortinet’s solutions.
👉 https://lnkd.in/dF-vz8UB

🔹 Dragos, Inc. Academy – Free OT Cybersecurity Quick Start Guide and training.
👉 https://lnkd.in/dfSZgVs7

🔹 SANS ICS Security Resources – Whitepapers, webcasts, and tools for ICS security.
👉 https://lnkd.in/dp-RtCTD

🔹 MITRE Caldera for OT – Free OT attack emulation tool for ICS security assessment.
👉 https://lnkd.in/d2g2f7rp

🔹 Infosec Train’s OT/ICS Security Fundamentals – Foundational training on industrial control systems.
👉 https://lnkd.in/d2fbhzgM

🔹 YouTube Series by Mike Holcomb – “Getting Started in ICS/OT Cyber Security” (20+ hours of content).
👉 https://lnkd.in/d-BJUBzs

You Should Know: Essential OT Security Commands & Tools

1. Network Scanning & Monitoring

• Nmap (Linux/Windows) – Scan OT networks for open ports and services:

  nmap -sS -Pn -T4 192.168.1.1/24
  

• Wireshark (Packet Analysis) – Capture and analyze OT network traffic:

  wireshark -k -i eth0
  

2. ICS/OT Vulnerability Assessment

• Metasploit Framework – Test OT systems for known vulnerabilities:

  msfconsole
  use auxiliary/scanner/scada/modbus_find
  set RHOSTS 192.168.1.100
  run
  

• OpenVAS (Linux) – Run automated vulnerability scans:

  openvas-start
  

3. Hardening Industrial Systems

• Disable Unused Services (Windows/Linux) – Reduce attack surface:

  systemctl disable modbus.service  Linux
  

  Stop-Service -Name "ModbusTCP" -Force  Windows
  

4. Log Analysis for OT Security

• ELK Stack (Linux) – Centralize OT logs for threat detection:

  sudo systemctl start elasticsearch
  

• Windows Event Logs – Filter security events in PowerShell:

  Get-WinEvent -FilterHashtable @{LogName='Security'; ID=4625}
  

5. MITRE Caldera for OT Attack Simulation

• Run automated adversary emulation:

  python3 caldera.py
  

What Undercode Say

OT cybersecurity requires a mix of network monitoring, vulnerability assessment, and system hardening. Tools like Nmap, Wireshark, Metasploit, and Caldera are critical for securing industrial environments. Always verify configurations, restrict unnecessary protocols (e.g., Modbus TCP), and monitor logs for anomalies.

Expected Output:

• A hardened OT network with restricted services.
• Detected vulnerabilities via OpenVAS/Metasploit.
• Centralized logs for incident response.
• Attack simulations using MITRE Caldera.

References:

Reported By: Dharamveer Prasad – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

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