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Over 50,000 people have watched the course on YouTube, and nearly 1,000 have taken it live. The course covers essential topics in ICS/OT cybersecurity, providing a comprehensive to securing industrial control systems. You can find the entire course on the YouTube channel: youtube.com/@utilsec.
Course Sections:
1. to Getting Started in ICS/OT Cyber Security
2. ICS/OT Cyber Security Overview
3. Control Systems & Protocols
4. Secure Network Architecture
5. Asset Registers & Control Systems Inventory
6. Threat & Vulnerability Management
7. OSINT for Industrial Controls
8. Incident Detection & Response
9. Industry Standards & Regulations
10. to ICS/OT Penetration Testing
11. Review Questions
You Should Know:
To complement the course, here are some practical commands and steps to enhance your ICS/OT cybersecurity skills:
1. Network Scanning with Nmap
Use Nmap to scan industrial networks for open ports and services. This helps in identifying potential vulnerabilities.
nmap -sV -p 1-65535 <target_IP>
2. Monitoring Network Traffic with Wireshark
Wireshark is essential for analyzing network protocols and detecting anomalies.
sudo wireshark
Filter for Modbus traffic (common in ICS):
modbus
3. Securing SSH Access
Ensure SSH is configured securely to prevent unauthorized access.
Edit the SSH configuration file:
sudo nano /etc/ssh/sshd_config
Set the following parameters:
PermitRootLogin no PasswordAuthentication no AllowUsers <your_username>
Restart the SSH service:
sudo systemctl restart sshd
4. Firewall Configuration with UFW
Set up a firewall to restrict unauthorized access to ICS systems.
sudo ufw allow 22/tcp # Allow SSH sudo ufw enable
5. Vulnerability Scanning with OpenVAS
Install and configure OpenVAS for vulnerability assessments.
sudo apt-get update sudo apt-get install openvas sudo gvm-setup
Run a scan:
sudo gvm-start
6. Log Monitoring with Syslog
Centralize logs for better incident detection.
Edit the syslog configuration:
sudo nano /etc/rsyslog.conf
Add a remote log server:
<em>.</em> @<log_server_IP>:514
Restart the service:
sudo systemctl restart rsyslog
7. ICS Protocol Analysis with Modbus-TCP
Use tools like `mbpoll` to interact with Modbus devices.
mbpoll -a 1 -b 9600 -P none -t 4 -r 1 -c 5 /dev/ttyUSB0
8. Hardening Linux Systems
Apply security best practices to Linux systems used in ICS environments.
sudo apt-get install unattended-upgrades sudo dpkg-reconfigure --priority=low unattended-upgrades
What Undercode Say:
This course is an excellent resource for anyone looking to dive into ICS/OT cybersecurity. By combining theoretical knowledge with practical commands and tools like Nmap, Wireshark, and OpenVAS, you can build a strong foundation in securing industrial systems. Always ensure that your systems are updated, and follow best practices like disabling root login and using firewalls. For further learning, explore the course on YouTube and consider subscribing to the Guarding Gears newsletter for ongoing insights.
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References:
Reported By: Mikeholcomb A – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ā
