A FREE 25+ Hour Course on Getting Started in Industrial (ICS/OT) Cyber Security

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The complete course is now available on YouTube, covering essential topics in ICS/OT cybersecurity. You can find the entire course at youtube.com/@utilsec.

Here’s the section list:

  1. Part 1: to Getting Started in ICS/OT Cyber Security

2. Part 2: ICS/OT Cyber Security Overview

3. Part 3: Control Systems & Protocols

4. Part 4: Secure Network Architecture

  1. Part 5: Asset Registers & Control Systems Inventory

6. Part 6: Threat & Vulnerability Management

7. Part 7: OSINT for Industrial Controls

8. Part 8: Incident Detection & Response

9. Part 9: Industry Standards & Regulations

10. Part 10: to ICS/OT Penetration Testing

11. Part 11: Review Questions

Practice Verified Codes and Commands

Here are some practical commands and codes related to ICS/OT cybersecurity:

1. Network Scanning with Nmap:

nmap -sP 192.168.1.0/24

This command scans the network to identify active devices.

2. Packet Capture with tcpdump:

tcpdump -i eth0 -w capture.pcap

Captures network traffic on interface `eth0` and saves it to capture.pcap.

3. Vulnerability Scanning with OpenVAS:

openvas-start

Starts the OpenVAS vulnerability scanner.

4. Firewall Configuration with iptables:

iptables -A INPUT -p tcp --dport 22 -j ACCEPT

Allows SSH traffic on port 22.

5. Log Analysis with grep:

grep "Failed password" /var/log/auth.log

Searches for failed login attempts in the auth log.

6. Incident Response with Sysinternals Tools:

pslist

Lists all running processes on a Windows system.

7. Secure File Transfer with SCP:

scp file.txt user@remote:/path/to/destination

Securely transfers `file.txt` to a remote server.

8. Password Cracking with John the Ripper:

john --wordlist=password.lst --rules hashfile.txt

Attempts to crack passwords in `hashfile.txt` using a wordlist.

9. Network Monitoring with Wireshark:

wireshark

Launches Wireshark for real-time network traffic analysis.

10. System Hardening with Lynis:

lynis audit system

Performs a security audit on the system.

What Undercode Say

Industrial Control Systems (ICS) and Operational Technology (OT) cybersecurity is a critical field that requires a deep understanding of both IT and industrial systems. The course provided by Mike Holcomb offers a comprehensive to ICS/OT cybersecurity, covering everything from basic concepts to advanced topics like penetration testing and incident response.

In the realm of ICS/OT, the stakes are often higher due to the potential impact on human safety and business continuity. Therefore, it’s essential to adopt a secure-by-design philosophy, as emphasized in the course. This approach involves integrating security measures from the ground up, rather than as an afterthought.

To further enhance your skills, consider practicing with the following commands and tools:

  • Linux Commands:
  • netstat -tuln: Lists all listening ports.
  • chkconfig --list: Displays services and their runlevels.
  • iptables -L: Lists current firewall rules.

  • Windows Commands:

  • netstat -an: Displays active connections and listening ports.
  • sc query: Lists all installed services.

  • gpresult /r: Displays Resultant Set of Policy (RSoP) information.

  • Cybersecurity Tools:

  • Metasploit: For penetration testing and vulnerability exploitation.
  • Snort: An open-source intrusion detection system (IDS).
  • Nessus: A comprehensive vulnerability scanner.

By mastering these tools and commands, you’ll be better equipped to secure ICS/OT environments. Additionally, staying updated with industry standards and regulations, such as NIST SP 800-82 and IEC 62443, is crucial for maintaining a robust security posture.

For further learning, explore the following resources:

In conclusion, the field of ICS/OT cybersecurity is both challenging and rewarding. By leveraging the knowledge and tools provided in this course, you can make significant strides in protecting critical infrastructure from cyber threats. Remember, the key to effective cybersecurity is continuous learning and adaptation to emerging threats.

References:

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