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Join the Institute of Cybersecurity Excellence (ICE) for a free two-day OT (Operational Technology) Cybersecurity Training Course on June 14–15, 2025. This course is designed for engineers, cybersecurity professionals, and asset owners looking to enhance their skills in industrial cybersecurity.
🔗 Registration Link: https://lnkd.in/dmvKckSN
Course Agenda
Day 1 – June 14, 2025
✅ to OT & Security Basics – Amit Singh, Sr. Engineer – Engineering for Olefin & Polymer Units
✅ ICS Network Architecture & Protocols – Zakhar Bernhardt, Founder at Labshock
Day 2 – June 15, 2025
✅ Risks, Vulnerabilities & Cybersecurity Controls – Sulaiman Alhasawi, Founder, ICSRank
✅ Compliance Standards & OT Cybersecurity Career Roadmap – Shiv Kataria, Cognoscenti at OT Security Huddle
🎓 Participants receive an ICE Certificate of Participation.
You Should Know: Essential OT Cybersecurity Commands & Practices
1. Network Scanning in ICS/OT Environments
Use Nmap to scan ICS devices safely (avoid aggressive scans in live OT networks):
nmap -sS -Pn -T4 -p 1-1024 --script=banner <OT_Device_IP>
– -sS: Stealth SYN scan
– -Pn: Skip host discovery
– --script=banner: Grabs service banners
2. Detecting Modbus Traffic (Common ICS Protocol)
Use Wireshark filters:
modbus || tcp.port == 502
Or with Tshark (CLI):
tshark -Y "modbus || tcp.port == 502" -i eth0 -V
3. Hardening ICS Systems (Windows-Based HMIs)
Disable unnecessary services:
Stop-Service -Name "WinRM" -Force Set-Service -Name "WinRM" -StartupType Disabled
4. Checking Firewall Rules (Linux-Based OT Devices)
List iptables rules:
iptables -L -n -v
Allow Modbus (TCP/502) only from trusted IPs:
iptables -A INPUT -p tcp --dport 502 -s 192.168.1.100 -j ACCEPT iptables -A INPUT -p tcp --dport 502 -j DROP
5. Logging & Monitoring in OT Networks
Use Syslog for centralized logging:
logger -p local4.warn "OT Security Alert: Unauthorized PLC Access Attempt"
Forward logs to a SIEM (like Graylog or ELK Stack).
6. IEC 62443 & NIST Compliance Checks
- Use OpenSCAP for compliance auditing:
oscap xccdf eval --profile IEC_62443-3-3 --results report.xml /usr/share/xml/scap/ssg/content/ssg-ics.xml
What Undercode Say
OT cybersecurity is critical for protecting industrial systems from cyber threats. Key takeaways:
– Network segmentation is a must (use VLANs & firewalls).
– Monitor ICS protocols (Modbus, DNP3, Profinet).
– Apply least privilege to engineering workstations.
– Regularly audit OT devices for vulnerabilities.
🔧 Bonus Commands:
- Detecting USB Threats in OT (Linux):
udevadm monitor --environment
- Windows ICS Patch Management:
Get-HotFix | Sort-Object InstalledOn -Descending | Select-Object -First 10
Expected Output:
A structured, actionable guide on OT cybersecurity with real-world commands and compliance steps.
Prediction
As OT-IT convergence grows, attacks on industrial systems will rise. Organizations must invest in hands-on OT security training and automated threat detection to mitigate risks.
🔗 Course Link: https://lnkd.in/dmvKckSN
IT/Security Reporter URL:
Reported By: Instituteofcybersecurityexcellence Ice – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
