OT Network Security Monitoring: Learn Threat Hunting, SIEM, SPAN, TAP, and Industrial Network Monitoring for ICS
What You Will Learn:
- Understand the fundamentals of Operational Technology (OT) and Industrial Control System (ICS) network architecture, including Purdue Model concepts
- Learn how to monitor OT network traffic using industry-standard tools such as Armis, claroty and IDS/IPS solutions for detecting suspicious activities
- Learn best practices for securing OT environments, improving network visibility, and implementing effective monitoring strategies for industrial cybersecurity.
- Understand the differences between IT and OT security monitoring, including safety, availability, and operational considerations in critical infrastructure
Learning Tracks: English
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Add-On Information:
- Course Overview
- This course delves into the critical domain of securing Operational Technology (OT) networks, the backbone of modern industrial operations. It moves beyond traditional Information Technology (IT) security paradigms to address the unique challenges and imperatives of protecting Industrial Control Systems (ICS). Participants will gain a comprehensive understanding of how to proactively identify, analyze, and respond to threats targeting these vital systems. The curriculum emphasizes practical skills and strategic approaches essential for maintaining the safety, availability, and integrity of industrial environments.
- We will explore the fundamental architectural principles that underpin OT networks, including the widely adopted Purdue Model, to understand the distinct layers and communication flows within industrial settings. This foundational knowledge is crucial for developing effective security monitoring strategies that account for the specific operational characteristics of these environments.
- A significant portion of the course is dedicated to the practical application of network monitoring techniques. This includes hands-on familiarization with industry-leading tools and technologies designed for OT environments. The focus will be on detecting anomalous behaviors and potential security incidents that could impact industrial processes.
- The course also addresses the critical distinctions between IT and OT security. We will examine how factors like safety, process availability, and the potential for physical consequences differentiate OT security monitoring from its IT counterpart. This comparative analysis is key to developing robust and context-aware security solutions for critical infrastructure.
- Course Objectives
- Equip learners with the ability to architect and implement robust OT network security monitoring frameworks.
- Develop proficiency in identifying and analyzing low-level network protocols common in OT environments.
- Foster an understanding of the attack vectors and threat landscapes specific to industrial control systems.
- Enable participants to integrate OT security monitoring findings with broader organizational security intelligence.
- Empower individuals to articulate the business impact of OT security incidents to stakeholders.
- Cultivate a proactive mindset towards threat hunting within OT networks.
- Promote the development of incident response plans tailored for OT environments.
- Instill best practices for maintaining secure and resilient OT network infrastructure.
- Key Concepts Explored
- OT Network Topologies: Understanding the unique network structures and interdependencies within industrial settings, from plant floor to enterprise integration.
- Industrial Protocols Deep Dive: Gaining in-depth knowledge of critical OT protocols (e.g., Modbus, DNP3, IEC 60870-5-104) and their security implications.
- Threat Modeling for OT: Applying systematic methods to identify potential threats, vulnerabilities, and attack paths specific to industrial control systems.
- Data Diode and Air Gap Strategies: Exploring advanced network segmentation and isolation techniques for enhanced OT security.
- Behavioral Analysis in OT: Leveraging anomaly detection and baseline profiling to identify deviations from normal operational patterns.
- OT Forensics Fundamentals: Understanding the principles of digital evidence collection and analysis in compromised OT environments.
- Vulnerability Management in OT: Developing strategies for identifying, assessing, and mitigating vulnerabilities within OT assets.
- Regulatory Compliance for OT: Familiarizing with relevant industry regulations and standards impacting OT security monitoring.
- Skills Covered / Tools Used
- Network Packet Analysis: Proficiently dissecting and interpreting network traffic using tools like Wireshark.
- Intrusion Detection Systems (IDS): Configuring and analyzing alerts from OT-specific IDS solutions.
- Intrusion Prevention Systems (IPS): Implementing and managing IPS capabilities to actively block threats.
- Security Information and Event Management (SIEM): Leveraging SIEM platforms for centralized logging, correlation, and analysis of OT security events.
- Network Traffic Analysis (NTA) Tools: Utilizing specialized NTA solutions for deep packet inspection and threat detection in OT.
- Asset Discovery and Inventory: Employing tools for comprehensive identification and profiling of OT assets.
- Log Management and Analysis: Developing skills in collecting, parsing, and analyzing logs from various OT devices and systems.
- Threat Hunting Methodologies: Applying structured approaches to proactively search for unknown threats within OT networks.
- SPAN/TAP Port Configuration: Understanding the practical implementation of network taps and switch port mirroring for monitoring.
- Benefits / Outcomes
- Enhanced ability to protect critical infrastructure from cyber threats.
- Reduced risk of operational downtime and safety incidents caused by cyberattacks.
- Improved network visibility and situational awareness within complex OT environments.
- Development of a proactive security posture for industrial control systems.
- Career advancement opportunities in the growing field of OT cybersecurity.
- Greater confidence in identifying and responding to sophisticated industrial cyber threats.
- Ability to contribute to the resilience and security of essential services.
- Stronger understanding of the interplay between IT and OT security in a modern enterprise.
- Requirements / Prerequisites
- Foundational IT Networking Knowledge: A solid understanding of TCP/IP, network protocols, and general networking concepts.
- Basic Cybersecurity Awareness: Familiarity with common cybersecurity threats and defense principles.
- Operating System Fundamentals: Basic understanding of Windows and/or Linux operating systems.
- Interest in Industrial Environments: A genuine curiosity and willingness to learn about the complexities of OT systems.
- Analytical Mindset: The ability to think critically and solve problems in a systematic manner.
- PROS
- Highly relevant and in-demand skill set in today’s industrial landscape.
- Provides a specialized niche within the broader cybersecurity field.
- Focuses on practical, hands-on application of security principles.
- Addresses the unique challenges of critical infrastructure protection.
- Can lead to direct impact on operational safety and continuity.
- CONS
- May require prior exposure to IT networking and security fundamentals for optimal learning.