ICS Security
Securing industrial control systems, SCADA networks, and operational technology environments.
Industrial Control Systems
SCADA Systems
- Supervisory control and data acquisition
- Human-machine interfaces (HMI)
- Remote terminal units (RTU)
- Communication protocols and networks
Programmable Logic Controllers (PLCs)
- Industrial automation controllers
- Ladder logic programming
- Input/output modules
- Safety instrumented systems
OT Network Security
Network Architecture
- Air-gapped vs connected systems
- Network segmentation strategies
- DMZ implementations
- Secure remote access
Protocol Security
- Modbus security considerations
- DNP3 authentication mechanisms
- Ethernet/IP vulnerabilities
- Industrial IoT protocols
Threat Landscape
Common Attack Vectors
- Network infiltration methods
- Malware targeting OT systems
- Social engineering attacks
- Supply chain vulnerabilities
Notable Incidents
- Stuxnet and its implications
- Ukraine power grid attacks
- Colonial Pipeline incident
- Lessons learned and improvements
Security Frameworks
NIST Cybersecurity Framework
- Identify, protect, detect, respond, recover
- OT-specific implementations
- Risk assessment methodologies
- Continuous monitoring strategies
IEC 62443 Standards
- Industrial automation security
- Zone and conduit models
- Security level requirements
- Lifecycle security processes
Assessment & Testing
Security Assessments
- OT network discovery and mapping
- Vulnerability identification
- Penetration testing considerations
- Risk analysis and reporting
Monitoring & Detection
- Network traffic analysis
- Anomaly detection systems
- Security information and event management
- Incident response procedures
Best Practices
Design Principles
- Defense in depth strategies
- Least privilege access
- Network segmentation
- Secure by design
Implementation Guidelines
- Asset inventory management
- Patch management strategies
- Backup and recovery procedures
- Security awareness training
Protecting critical infrastructure through security